You will be given a definition of a task first, then some input of the task.
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'.

Sentence 1: Four US cable companies, including industry leaders Comcast Corp and Time Warner Cable, have entered the fast-growing wireless arena through a joint venture with Sprint Nextel. Sentence 2: Time Warner Cable is a partner of Sprint Nextel.
Output:
1