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

Example Input: Sentence1: The S & P 500 and the Nasdaq indexes recorded their third straight week of gains ., Sentence2: Both the S & P 500 and the Nasdaq indexes have scored three straight weeks of gains .
Example Output: Yes

Example Input: Sentence1: SARS or severe acute respiratory syndrome emerged in November last year ., Sentence2: Severe Acute Respiratory Syndrome has infected 8459 people , 805 of whom died .
Example Output: No

Example Input: Sentence1: The hot technologies -- networking , storage and wireless products -- will be front and center this week ., Sentence2: Storage , networking and wireless products will be prevalent at the show .
Example Output:
Yes