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: Shelly was walking down the beach looking for shells. She started to notice that the whole beach had cleared. She thought it was way too lovely of a day for no one to be out. That is when she noticed a huge wave coming for her. The high tide was about to hit her and she couldn't get away.
 selected sentence: That is when she noticed a huge wave coming for her.

Shelly goes to the beach >Causes/Enables> Shelly notices a wave