You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".

Example Input: Sentence1: Although Prempro pills were used in the study , the researchers said they had no evidence that other brands were safer ., Sentence2: Athough Prempro pills were used in the study , the researchers say they have no evidence that other brands are safer .
Example Output: Yes

Example Input: Sentence1: Gen. Sattler heads a Combined Joint Task Force based on ship in the Gulf of Aden and the Indian Ocean ., Sentence2: General Sattler heads a Combined Joint Task Force aboard the command ship Mount Whitney .
Example Output: Yes

Example Input: Sentence1: Lucent 's stock shed 6 cents , or 2.7 percent , to close at $ 2.15 after heavy trading on the New York Stock Exchange on Friday ., Sentence2: Lucent 's stock was up a penny at $ 2.22 in heavy trading on the New York Stock Exchange on Friday afternoon .
Example Output:
No