Q: 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'.
Sentence 1: On July 8th, the Mozilla team released a configuration change which resolves this problem by explicitly disabling the use of the shell: an external protocol handler. Sentence 2: A shell is an external protocol handler.
A:
1