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: That exploit works on unpatched Windows 2000 machines with Service Pack 3 and 4 ., Sentence2: Both Counterpane and iDefense contend that the exploit works effectively against Windows 2000 systems running Service Pack 3 and 4 .
Example Output: Yes

Example Input: Sentence1: " The reasons behind the increase in incidence are more complex and we are only just beginning to understand the risk factors , " he said ., Sentence2: However , he said , The reasons behind the increase in incidence are more complex and were just beginning to understand the risk factors .
Example Output: Yes

Example Input: Sentence1: We need a certifiable pay as you go budget by mid-July or schools wont open in September , Strayhorn said ., Sentence2: Texas lawmakers must close a $ 185.9 million budget gap by the middle of July or the schools wont open in September , Comptroller Carole Keeton Strayhorn said Thursday .
Example Output:
Yes