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: According to COPREFA, another soldier was wounded in a guerrilla ambush against the elite Bracamonte Battalion on a highway in central El Salvador. Sentence 2: The Bracamonte Battalion was attacked by guerrillas.

1