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: A strong supporter of the "Italian road to socialism", he was close to Enrico Berlinguer, and gained a position in the party secretariat. In 1969, he drew up the report proposing the expulsion from the party of the Manifesto group. In 1984, after Berlinguer's death, Natta was elected as party secretary. Sentence 2: Natta supported Italian Socialism.

1