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: Nterprise Linux Services is expected to be available before then end of this year ., Sentence2: Beta versions of Nterprise Linux Services are expected to be available on certain HP ProLiant servers in July .

Ex Output:
No

Ex Input:
Sentence1: The group ambitiously expects to issue guidelines by the end of the year and release products by late 2004 ., Sentence2: The group expects to roll out the first products by the second half of 2004 .

Ex Output:
No

Ex Input:
Sentence1: She was surrounded by about 50 women who regret having abortions ., Sentence2: She was surrounded by about 50 women who have had abortions but now regret doing so .

Ex Output:
Yes