sentence1: After the bombing of a military recruiting station in New York City's Times Square, police in Washington, D.C. are investigating letters addressed to "members of Congress", which contain a picture of the recruiting station before the explosion and the message "Happy New Year, We Did It". The letters arrived at Capitol Hill Thursday in manila envelopes, according to an anonymous Democratic aide who is investigating the matter. The picture was accompanied by what seemed to be a 10 page manifesto against the Iraq War. Also included was a booklet, which the aide says he cannot identify.
sentence2: Times Square is part of New York City.