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: Banning ivory is the surest road to extinction for the African elephant, argue leaders in those countries. Sentence 2: The ban on ivory trade has been effective in protecting the elephant from extinction.

0