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: For example, the fields of Western farmers feed the United States and many other parts of the world, and India's irrigation systems have enabled that country to be self-sufficient in food production since 1974. In addition, in many parts of the world dams have helped to remedy life-threatening problems such as poverty from lack of economic development, famine as a result of drought, devastation from floods, and continued disease from lack of potable water supplies. Sentence 2: Dam building prevents life-threatening situations.

Ex Output:
1


Ex Input:
Sentence 1: Police were yesterday scouring Europe for a German couple who abandoned three small children in a pizzeria in the north-west Italian town of Aosta on Sunday evening and have not been seen since. The couple, Ina Caterina Remhof, 26, the mother of the children, and her partner, Sascha Schmidt, 24, brought the children, aged six, four and eight months, into the Il Capanno pizzeria. They took a table together and placed their orders like any other family of tourists, according to the restaurant's manager, Carmello Casella. But about 45 minutes later, while the children were still eating, the couple stood up and told Mr Casella that they were going outside for a smoke. When they failed to return the restaurant staff became worried and called the police. Sentence 2: Ms Remhof had a history of drug problems.

Ex Output:
0


Ex Input:
Sentence 1: Salma Hayek drew a crowd in Veracruz, Mexico, at the July 8 premiere of 'Nobody Writes to the Colonel', a movie based on a short novel by Nobel laureate Gabriel Garcia Marquez. Sentence 2: Gabriel Garcia Marquez is a Nobel prize winner.

Ex Output:

1