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: The spread of AIDS in Africa is driven not by unsafe sex but by unsafe medical practice, according to research published last week. Sentence 2: AIDS spreads in Africa.

Ex Output:
1


Ex Input:
Sentence 1: Two British destroyers struck Albanian-laid mines while exercising their rights passing through the Corfu Channel. Sentence 2: The Corfu Channel incident was about a British destroyer sunk by Albania in the Corfu Channel.

Ex Output:
0


Ex Input:
Sentence 1: The American television network "A.B.C." quoted undisclosed sources at the American Defense Department today, Thursday, saying that the intense bombing operations on Iraq may cease by the end of this week. Sentence 2: The television network "CNN", quoting sources in the American Ministry of Defence, revealed that the bombing of Iraq might end this week.

Ex Output:

0