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: Originally the post was simply an inter-city letter service. Sentence 2: The post used to be just for inter-city communications.
yes

Sentence 1: really i'm doing my Master's in in Computer Science and Computer Engineering Sentence 2: I'm due to finish my masters degree in about 9 months.
no

Sentence 1: We went on with the begonias, sir. Sentence 2: The begonias are better than the roses.

no