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

Sentence1: ISC and NASCAR officials declined to comment ., Sentence2: NASCAR officials could not be reached for comment Tuesday .
No

Sentence1: It will cost about $ 20,000 per eight-week course of treatment , comparable to other injected cancer therapies , a spokeswoman said ., Sentence2: It will cost about $ 20,000 per average course of treatment -16 to 17 weeks .
No

Sentence1: Network security products maker Secure Computing Inc. said Tuesday it is acquiring content-filtering vendor N2H2 for $ 20 million , furthering consolidation in an already-competitive market ., Sentence2: Network security products maker Secure Computing said Tuesday it is acquiring content filtering firm N2H2 for $ 20 million , furthering consolidation in an already competitive market .

Yes