You will be given a definition of a task first, then some input of the task.
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: They hobbled Ca'daan's horse, keeping it tied within the back of the tent to avoid theft. Sentence 2: Ca'daan's horse was tied within the back of the tent to prevent theft.
Output:
yes