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.

Input: Consider Input: Sentence 1: But the data on marine casualties indicated that accidents were often caused, not by deficiencies in the vessels or other factors, but by human error. Sentence 2: The data on marine casualties showed that accidents were often caused machine failure.

Output: yes


Input: Consider Input: Sentence 1: At the end of three days if there's nothing well, you'll know I'm down and out. Sentence 2: I am depending on something to happen before the end of three days to help me. 

Output: no


Input: Consider Input: Sentence 1: TP had to read yesterday's WP twice before noticing that key members of the Post editorial staff are apparently suffering the cerebral ill effects of too much exposure to brightly colored polyester. Sentence 2: They were exposed to vibrantly colored fabrics.


Output: yes