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 development of agriculture by early humans, roughly 10,000 years ago, was also harmful to many natural ecosystems as they were systematically destroyed and replaced with artificial versions. Sentence 2: Humans existed 10,000 years ago.

1