You will be given a definition of a task first, then some input of the task.
You are given two sentences(Sentence1 and Sentence2). Answer "Yes" if these sentences are a paraphrase of one another, otherwise answer "No".

Sentence1: He found that men who had ejaculated more than five times a week in their 20s were a third less likely to develop aggressive prostate cancer later in life ., Sentence2: Those who ejaculated more than five times a week were a third less likely to develop serious prostate cancer in later life .
Output:
Yes