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: Speaking of Jean Charles de Menezes, who was chased by armed officers into the station and shot five times at close range, his cousin, Alex Pereira, hinted today that his family would sue Scotland Yard over the killing. Sentence 2: Jean Charles de Menezes is related to Alex Pereira.

Ex Output:
1


Ex Input:
Sentence 1: Albert Sabin developed an oral, attenuated (live) vaccine, which, with Salk's discovery, brought polio under control. Sentence 2: Polio is under control in the world.

Ex Output:
1


Ex Input:
Sentence 1: Comdex -- once among the world's largest trade shows, the launching pad for new computer and software products, and a Las Vegas fixture for 20 years -- has been canceled for this year. Sentence 2: Comdex launches trade shows for 20 years.

Ex Output:

0