Given the task definition and input, reply with output. 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: I also need to tell you about the mandatory change of ID documents, which you were not able to do before the deadline. Sentence 2: It's my fault for not telling you about this mandatory change, I forgot to tell you.
no