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 German technology was employed to build Shanghai's existing maglev line, the first in the world to be used commercially. Sentence 2: Maglev is commercially used.
Output:
1