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'.

Ex Input:
Sentence 1: Rescuers searched rough seas off the capital yesterday for survivors of a ferry collision that claimed at least 28 lives, as officials blamed crew incompetence for the accident. Sentence 2: 100 or more people lost their lives in a ferry sinking.

Ex Output:
0


Ex Input:
Sentence 1: The dam covering what used to be its football pitch fill up with millions of tons of poisonous mining waste. Sentence 2: Mine waste-water poses an environmental hazard.

Ex Output:
0


Ex Input:
Sentence 1: Oil prices, notoriously vulnerable to political events, spiked as high as $40 a barrel during the Gulf War in 1991. Sentence 2: The Gulf War was fought in 1991.

Ex Output:

1