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.

[EX Q]: how can you tell that the person who shares your room is having trouble sleeping?
[EX A]: tossing and turning

[EX Q]: what are some things that people send by email that they used to send through the mail?
[EX A]: letter

[EX Q]: name something with a beginning, a middle and an end.
[EX A]:
book