TASK DEFINITION: You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
PROBLEM: Sentence1: Sixteen days later , as superheated air from the shuttle 's reentry rushed into the damaged wing , " there was no possibility for crew survival , " the board said ., Sentence2: Sixteen days later , as superheated air from the shuttle ’ s re-entry rushed into the damaged wing , ‘ ‘ there was no possibility for crew survival , ’ ’ the board said .

SOLUTION: Yes

PROBLEM: Sentence1: The official would not name the leakers for the record and said he had no indication that Mr Bush knew about the calls ., Sentence2: The official would not name the leakers for the record and would not name the journalists .

SOLUTION: No

PROBLEM: Sentence1: It even struck a deal for distribution and advertising with popular P2P service Grokster ., Sentence2: Puretunes has also lost a distribution deal with the popular Grokster file-swapping software company .

SOLUTION:
No