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: As a result, the elephant has been brought back from the brink of extinction, thanks to the ban on international trade in ivory and other elephant products. Sentence 2: The ban on ivory trade has been effective in protecting the elephant from extinction.

1