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'.
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Question: Sentence 1: After leaving Time-Life, Shuker joined the Public Broadcast Laboratory, forerunner of PBS, and participated in two pioneering films -- 'The Chair,' about an attorney trying to save a condemned man, and 'Free At Last,' a 90-minute documentary about Dr. Martin Luther King Jr. that by chance was being made when King was murdered in 1968. Sentence 2: Martin Luther King was murdered in 1968.

Answer: 1

Question: Sentence 1: A zoo worker is dead and two visitors are seriously injured after a Siberian tiger escaped from the San Francisco Zoo in San Francisco, California in the United States and attacked three people who were inside a cafe. The tiger was shot dead by police who were called to the scene. They found the tiger attacking one of the zoo visitors when they killed it. Sentence 2: A tiger attacked three people in San Francisco.

Answer: 1

Question: Sentence 1: Facebook was founded by Mark Zuckerberg, an individual web developer looking to make friends at Harvard University. Although Facebook has been sued by ConnectU.com for allegedly copying its concept and data, Facebook is actually the first worldwide college network on the Internet. As one of the most popular college websites, Facebook is notable for its lack of prominent advertising. It quickly accumulated $50,000 in debt in 2004, and it took nearly a year for it to begin turning a profit, so clearly it needed a large amount of venture capital. Sentence 2: Mark Zuckerberg invented Facebook.

Answer:
1