Definition: 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'.
Input: Sentence 1: Former tennis star Vitas Gerulaitis died in such fashion in September, from a lethal carbon monoxide buildup related to the faulty installation of a propane heater. Sentence 2: Vitas Gerulaitis died of carbon monoxide poisoning.

1