instruction:
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.
question:
Sentence 1: There are dozens of similar discoveries. Sentence 2: There are dozens of similar new species discovered.
answer:
no

question:
Sentence 1: I believe I've only seen your hand shake once. Sentence 2: There is only one time I have seen your hand shake.
answer:
yes

question:
Sentence 1: Rather it may serve to delay the conception of a rival for maternal resources--both directly (by literally coming between Mom and Dad) and indirectly (by tending to prolong breast-feeding and, therefore, to suppress ovulation for a longer period). Sentence 2: It may serve to delay, directly or indirectly the conception of a rival for maternal resources, said the doctor.
answer:
no