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: Randy was fishing at a lake. He enjoyed being outdoors. But he felt impatient when no fish were biting. Suddenly, he felt Something bite his fishing rod. It was so heavy that Randy couldn't wait to see it.
 selected sentence: It was so heavy that Randy couldn't wait to see it.

Randy feels Something bite his fishing rod >Causes/Enables> It is so heavy Randy can't wait to see it