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'.
Q: Sentence 1: The trip was about doing what he hasn't done for what many troops feel has been too long - visiting the thousands of servicemen and women fighting a war in southern Afghanistan. Sentence 2: Servicemen and women are fighting a war in southern Afghanistan.
A: 
1