test.rb

options = %w(spaghetti beaf chicken salads fruit)
favs = []


def valid_answer(reply)
  %w(yes no).include? reply
end

def ask question
  reply = ""
  until valid_answer(reply)
    print "#{question} (please answer 'yes' or 'no') :"      
    reply = gets.chomp.downcase
  end
  return false if reply == "no" 
  true
end


puts "Welcome to the test! please answer all questions with 'yes' or 'no'.\n"

options.each do |food|
  answer = ask "Do you like #{food}"
  favs.push answer
end

puts "\n#{favs}\n"
puts "Thank you for the survey!"