You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
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Question: Sentence1: Token-issuing framework provides capabilities that build on WS-Security and define extensions to request and issue security tokens and to manage trust relationships and secure conversations ., Sentence2: Within WSE 2.0 , WS-Trust , WS-SecureConversation build on WS-Security and define extensions to request and issue security tokens and to manage relationships and secure conversations .

Answer: Yes

Question: Sentence1: In three years , Lend Lease has slipped from a top-five stock , when its share price was around $ 24 , to 37th ., Sentence2: In the space of three years , Lend Lease has slipped from a top-five 5 stock when its share price hovered around $ 24 to 37th on the list .

Answer: Yes

Question: Sentence1: Darren Dopp , a Spitzer spokesman , declined to comment late Thursday ., Sentence2: John Heine , a spokesman for the commission in Washington , declined to comment on Mr. Spitzer 's criticism .

Answer:
No