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: A recent study found no evidence of seasonal affective disorder in Iceland where the sun does not appear for a long time in the winter. Sentence 2: Seasonal affective disorder (SAD) is a worldwide disorder.

0