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: Nine men from Darfur have been executed for the beheading of a Sudanese newspaper editor in 2006. They were hanged in a prison in the capital, Khartoum, in front of the relatives of the editor, Mohammed Taha. It was initially thought that Mr Taha had been killed by Islamists but a defence lawyer said an article in his newspaper had angered Darfur groups. His decapitated body was found on a dirt road a day after he had been abducted from his home in Khartoum. Sentence 2: Mohammed Taha was Sudanese.

Ex Output:
1


Ex Input:
Sentence 1: The U.S. state of Florida entered an agreement on June 24, 2008 to purchase the U.S. Sugar Corporation, the largest manufacturer of cane sugar in the U.S., in an effort to restore the Everglades. Terms of the agreement stated that the purchase would be completed within 75 days, but that U.S. Sugar would be able to operate for another six years. After that, the state of Florida will retain ownership of U.S. Sugar's manufacturing facilities in Clewiston, Florida, and 187,000 acres of fields that have grown sugarcane since the 1960s will be allowed to return to their natural state. Sentence 2: Florida is going to buy the Sugar Corporation.

Ex Output:

1