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

Ex 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 .

Ex Output:
Yes

Ex Input:
Sentence1: The market remains pinned in a narrow range after a powerful rally drove the broad Standard & Poor 's 500 index .SPX up more than 20 percent since mid-March ., Sentence2: The market remains pinned in a narrow range after a powerful rally pushed the broad S & P 500 index up more than 20 percent since mid-March .

Ex Output:
Yes

Ex Input:
Sentence1: As a result , Murphy sought to substitute Strier 's sister , Ethel Celnik , as the trustee ., Sentence2: Murphy said Strier 's sister , Ethel Celnik , was in the courtroom at the time , but Strier was not .

Ex Output:
No