You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
Q: Sentence1: Mr. Parsons has been director of the Stennis Center , which specializes in rocket engine research and testing , since August ., Sentence2: Mr. Parsons has served as the director at the Stennis Space Center , which employs 4,600 people , since August .
A:
No