Problem: Text: 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.

Question: can you send an envelope without a return address?
A: yes

Problem: Text: On November 12, 2014, it was announced that Amazon Studios had bought its first ever original spec script by Dwain Worrell, about an American sharpshooter trapped behind a wall by an Iraqi sniper. Worrell wrote his screenplay while teaching English in China. Worrell drew from his background as a playwright to flesh out the second act of the screenplay, which focuses on Isaac's conversation with the sniper. Worrell said, ''What interested me about it was the simple conversation between two people. That could almost be had on a New York City park bench with two guys playing chess. There is that sort of dynamic between the characters in the film.'' The script appeared in the 2014 Black List of most liked un-produced screenplays.

Question: is the wall movie based on true story?
A: no

Problem: Text: Washington, D.C., formally the District of Columbia and commonly referred to as Washington or D.C., is the capital of the United States of America. Founded after the American Revolution as the seat of government of the newly independent country, Washington was named after George Washington, first President of the United States and Founding Father. Washington is the principal city of the Washington metropolitan area, which has a population of 6,131,977. Washington has been described as an important political capital, owing to its status as the seat of the United States federal government. Washington is one of the most visited cities in the world, with more than 20 million annual tourists.

Question: is washington dc considered part of the united states?
A:
yes