TASK DEFINITION: You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
PROBLEM: Sentence1: Prosecutors said PW Marketing violated the state 's 1998 anti-spam law by sending unsolicited e-mail without a toll-free number for recipients to call to stop additional mailings ., Sentence2: Prosecutors said PW Marketing violated the 1998 anti-spam law because these unsolicited e-mails were sent without a free call number for recipients to phone to stop additional mailings .

SOLUTION: Yes

PROBLEM: Sentence1: At the Pentagon , the Department of Defense 's Inspector General has separately been asked to investigate how the telecom licences were awarded ., Sentence2: But a source close to the Pentagon said the Defense Department 's own inspector-general had been asked to investigate how the licences were awarded .

SOLUTION: Yes

PROBLEM: Sentence1: The dollar was also helped by concerns about possible yen- selling intervention by Japanese authorities ., Sentence2: The dollar was helped on Friday by talk of yen-selling intervention by Japanese authorities on Thursday and Friday .

SOLUTION:
Yes