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 something that a dog might fetch.
Example Output: ball

Example Input: name something a professional baseball player might have a nightmare about.
Example Output: striking out

Example Input: name something on a baby that often looks big compared to the rest of their body.
Example Output:
head