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: Black Tigers are selected for their discipline and their loyalty to Vilupillai Prabhakaran, 41, the elusive leader of the LTTE. Sentence 2: Vilupillai Prabhakaran is the elusive leader of the LTTE.

1