Definition: In this task, you will be given a short story. One sentence from the story is chosen. Consider the events that happen before that sentence, or are likely to have happened before it. Does any of them directly cause it, or simply make it possible? You should write your answer in the form " A >causes/enables> B". Try to use phrases and sentences from the story to compose your answer when possible.
Input: story: When Jeff spoke to his friends, he pretended to know everything. He said that he knew how to build a canoe with his bare hands. His friends told him if he could do it they would pay him $1000. Jeff was shocked at such a challenge. The friends took this as a sign that he was lying.
 selected sentence: His friends told him if he could do it they would pay him $1000.

Jeff says he knows how to build a canoe with his bare hands >Causes/Enables> Jeff's friends say they will give him $1000 to do it