Definition: You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".
Input: Sentence1: He claims it may seem unrealistic only because little effort has been devoted to the concept ., Sentence2: " This proposal is modest compared with the space programme , and may seem unrealistic only because little effort has been devoted to it .
Output:
No