Write a correct answer for the question. You should reason about prototypical situations and provide the correct answer. Avoid answers that provide incomplete justification for the question.

Example Input: name a reason someone might buy one brand of toilet paper over another.
Example Output: softer

Example Input: name something that happens to the furniture of a person who owns pets.
Example Output: many scratches

Example Input: name an animal that mates for life.
Example Output:
penguin