Q: You will be given a passage, and your task is to generate a Yes/No question that is answerable based on the given passage.
The return address is not required on postal mail. However, lack of a return address prevents the postal service from being able to return the item if it proves undeliverable; such as from damage, postage due, or invalid destination. Such mail may otherwise become dead letter mail.
A:
do you need to put return address on mail?