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.

Ex Input:
Sentence 1: My jaw dropped involuntarily, and he said at once: "No, mon ami, I am not in my second childhood!  Sentence 2: I was completely surprised.

Ex Output:
no


Ex Input:
Sentence 1: After breakfast, I decided to go down to the village, and see if Poirot had returned yet; but, before I could start, a wellknown face blocked one of the windows, and the well-known voice said: "Bon jour, mon ami!" Sentence 2: The person had intentionally interrupted me not only to delay but to stop me from looking for Poirot. 

Ex Output:
no


Ex Input:
Sentence 1: Johnny was smiling a little just as he had back in Tubacca in Topham's office before the race. Sentence 2: In Tubacca, Johnny had been smiling a little.

Ex Output:

yes