Problema com Bulkcreate

arquivo.py

#Modelos
class Questions(models.Model):
    LEVEL_CHOICES = (
        ('0', 'Indefinido'),
        ('1', 'Dependencia'),
        ('2', 'Confianca'),
        ('3', 'Comprometimento'),
        ('4', 'Preditiva'),
        ('5', 'Comprometimento'),
    )
    question = models.CharField('Pergunta', max_length=200)
    level = models.CharField('Nível', max_length=15, choices=LEVEL_CHOICES, default='0')

    class Meta:
        verbose_name = 'Questão'
        verbose_name_plural = 'Questões'
        ordering = ('-level',)

    def __str__(self):
        return self.question

class PesquisaManager(models.Manager):
    def add_question(self, search_key, question):
        pesquisa, created = self.get_orcreate(search_key=search_key, question=question)
        if created:
            pesquisa.save()
        return pesquisa

class Pesquisa(models.Model):
    RESPOSTA_CHOICES = (
        ('V', 'Verdadeiro'),
        ('F', 'Falso'),
        ('I', 'Indefinido'),
    )
    search_key = models.CharField('Chave da pesquisa', max_length=10, db_index=True)
    person = models.ForeignKey('person.person', related_name='Pessoa', on_delete=models.CASCADE)
    question = models.ForeignKey('bolsa.Questions', related_name='Pergunta', on_delete=models.CASCADE,)
    response = models.CharField('Resposta', max_length=1, choices=RESPOSTA_CHOICES, default='I')
    participation_on = models.DateField('período dapesquisa', default=timezone.now)
    created_on = models.DateTimeField('solicitado em', default=timezone.now)

    objects = PesquisaManager()


    class Meta:
        verbose_name = 'Pesquisa'
        verbose_name_plural = 'Pesquisas'
        unique_together = (('search_key', 'question'),)
        ordering = ('-participation_on',)

    def __str__(self):
        return self.question.question

#Pertence a uma outra app chamada person      
class Person(models.Model): 
    name = models.CharField('Nome',max_length=100)
    balance = models.DecimalField('Saldo', max_digits=10, decimal_places=2)
    public_place = models.CharField('Logradouro',max_length=150)
    number = models.CharField('Número',max_length=150)
    city = models.CharField('Cidade',max_length=150)
    state = models.CharField('Estado',max_length=150)
    zipcode = models.CharField('Cep',max_length=10)
    neighborhood = models.CharField('Bairro',max_length=50)
    date_of_turn = models.DateField('Dt. Giro.')
    date_return = models.DateField('Dt. Retorno.', null=True, blank=True)


    class Meta:
        verbose_name_plural = 'Pessoas'
        verbose_name = 'Pessoa'     
        
#-------------------------------------------------------------------------------------------------------------
#Minha view

def addQuestions(dir):
    person = Person.objects.filter(pk=1)
    questions = Questions.objects.all()


    print(person)

    lista = []

    for question in questions:
        lista.append(
            Pesquisa(search_key='092018',
                          person=person,
                          question=question,
                          response='I'
                          )
        )

    Pesquisa.objects.bulk_create(lista)
    return HttpResponseRedirect('/admin/bolsa/pesquisa/')
#-------------------------------------------------------------------------------------------------------------


"""
Quando tento rodar a view ela retorna a seguinte mensagem:

Internal Server Error: /bolsa/pesquisa/criar/
<QuerySet [<Person: ELIAS>]>
Traceback (most recent call last):
  File "/home/elias/.virtualenvs/cobradoronline/lib/python3.6/site-packages/django/core/handlers/exception.py", line 35, in inner
    response = get_response(request)
  File "/home/elias/.virtualenvs/cobradoronline/lib/python3.6/site-packages/django/core/handlers/base.py", line 128, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/home/elias/.virtualenvs/cobradoronline/lib/python3.6/site-packages/django/core/handlers/base.py", line 126, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/home/elias/cobradoronline/cobradoronline/bolsa/views.py", line 100, in addQuestions
    response='I'
  File "/home/elias/.virtualenvs/cobradoronline/lib/python3.6/site-packages/django/db/models/base.py", line 477, in __init__
    _setattr(self, field.name, rel_obj)
  File "/home/elias/.virtualenvs/cobradoronline/lib/python3.6/site-packages/django/db/models/fields/related_descriptors.py", line 197, in __set__
    self.field.remote_field.model._meta.object_name,
ValueError: Cannot assign "<QuerySet [<Person: ELIAS>]>": "Pesquisa.person" must be a "Person" instance.
[04/Oct/2018 21:59:16] "GET /bolsa/pesquisa/criar/ HTTP/1.1" 500 81311

Ou seja, na linha 87 tem que ser uma instancia de Person.
O que devo fazer para corrigir este problema?
Leve em consideração que eu não tenho muito conhecimento heheheh

"""

Obrigado!
Deu certo!