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.

Q: Sentence 1: Early in 1650 Oliver Cromwell stationed his garrison here while attempting to subdue the rebellious Scottish monarchists; he was victorious at the Battle of Dunbar. Sentence 2: Oliver Cromwell won the Battle of Dunbar.

A: yes
****
Q: Sentence 1: Something is drawing them up from all over the planet."  Later, half a square mile of the shell cracked off. Sentence 2: Once the shell completely cracks, they will keep coming to end mankind.

A: no
****
Q: Sentence 1: We do not agree, eh? said Poirot.  Sentence 2: We are in complete agreement.

A:
yes
****