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: The widow of John Lennon, Yoko Ono, may take legal action against a new breakfast cereal called "Strawberry Fields," which she believes is too close in name to Lennon's song. Sentence 2: Yoko Ono is John Lennon's widow.

1