TASK DEFINITION: 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.
PROBLEM: Sentence 1: But in the final five minutes, I raised my bid to $250, then $275, then $300, and finally won the auction, exhilarated by my victory. Sentence 2: I lost the auction, sadly.

SOLUTION: yes

PROBLEM: Sentence 1: What are you going to say? Sentence 2: How are you going to answer the question?

SOLUTION: no

PROBLEM: Sentence 1: i lived in Dallas Sentence 2: I've never been to Dallas.

SOLUTION:
yes