You will be given a definition of a task first, then some input of the task.
In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to determine if the two sentences clearly agree/disagree with each other, or if this can't be determined. Indicate your answer as yes or no respectively.

Sentence 1: What makes you think there was salt in it? asked Poirot. Sentence 2: What kind of salt should we add to it? asked Poirot.
Output:
yes