instruction:
You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
question:
Sentence1: In an unusual move , the U.S. Patent and Trademark Office is reconsidering a patent affecting Internet pages that critics contend could disrupt millions of Web sites ., Sentence2: In an unusual move that critics contend could disrupt millions of Web sites , the U.S. Patent and Trademark Office is reconsidering a patent affecting Internet pages .
answer:
Yes


question:
Sentence1: The venture owns five oil refineries and more than 2,100 filling stations in Russia and Ukraine ., Sentence2: TNK-BP has six oil producing units , five refineries and 2,100 filling stations .
answer:
No


question:
Sentence1: An unclear number of people were killed and more injured ., Sentence2: Four people were killed and 50 injured in the attacks .
answer:

Yes