Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence 1: For further contacts regarding this testimony, please contact J. Christopher Mihm at (202) 512-8676. Sentence 2: J. Christopher Mihm did not know anything about the testimony.
Student:
yes