Definition: In this task, you're given two sentences. Indicate if the first sentence clearly entails the second sentence (i.e., one can conclude the 2nd sentence by reading the 1st one). Indicate your answer with '1' if the first sentence entails the second sentence, otherwise answer with '0'.
Input: Sentence 1: Startling new research into mobile phones claims they may reduce a man's sperm count by up to 30%. Sentence 2: Male fertility may be affected by use of a mobile phones.

1