Python: Generate a random, and probably incoherent, sentence

random_incoherent_sentence.py

import random
  
# http://www.desiquintans.com/downloads/nounlist/nounlist.txt
nouns = open('nouns.txt').read().split('\n')

# https://raw.githubusercontent.com/janester/mad_libs/master/List%20of%20Proper%20Nouns.txt
proper_nouns = open('propernouns.txt').read().split('\n')

# https://raw.githubusercontent.com/aaronbassett/Pass-phrase/master/verbs.txt
verbs = open('verbs.txt').read().split('\n')

# https://gist.githubusercontent.com/norcal82/4accc0d968444859b408/raw/d295d94608be043a4774087d6cb19caf3a1f27a2/city_names.txt
cities = open('city_names.txt').read().split('\n')

def speak():
    """Generate a random, and probably incoherent, sentence
    
    Example:
      
      >>> speak()
      'Saloon peck circle to nominate statuss in Youngstown'
      
      >>> speak()
      'Loaf dress dialogue to remain awards in Santa Barbara'
      
      >>> speak()
      'Pigpen troubleshoot poverty to deserve mincemeats in College Station'
    """
    subject = str.capitalize(random.choice(nouns))
    obj = random.choice(nouns).lower() or random.choice(proper_nouns).lower()
    while obj.lower() == subject.lower():
        obj = random.choice(nouns).lower() or str.capitalize(random.choice(proper_nouns))
    infinitive_noun = random.choice(nouns).lower()
    while infinitive_noun.lower in (subject.lower(), obj.lower()):
        infinitive_noun = random.choice(nouns).lower()
    verb = random.choice(verbs)
    infinitive = random.choice(verbs)
    while verb.lower() == infinitive.lower():
        infinitive = random.choice(verbs)
    place = random.choice(cities)
    return ' '.join([subject, verb, obj,"to",infinitive,infinitive_noun+"s","in",place])