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: Becker, Howard S. Problems of Inference and Proof in Participant Observation. Sentence 2: Problems of Inference and Proof in Participant Observation is related to Howard Becker.
yes

Sentence 1: Their eyes met and Stark's eyes opened wide, shining black orbs of a demon. Sentence 2: Stark's eyes opened wide when their eyes met, he was preparing to eat them.
no

Sentence 1: New Goya rooms in the Prado were opened in March 1999. Sentence 2: The Prado has added new Goya rooms in the past.
yes