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: Both of these attacks, attributed to the drug trafficking cartels, took place after 10 bombs, placed in nine political offices of the Liberal and Social Conservative parties and in another bank office, exploded early this morning in downtown Bogota. Sentence 2: Nine political offices of the Liberal and Social Conservative parties were attacked by the drug trafficking cartels.

1