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: Dan took his daughter to the beach. They made footprints in the sand. Together they built a giant sand castle. They watched as the waves came in and tore it down. They came back the next day and built one again.
 selected sentence: They made footprints in the sand.

Dan and his daughter walk in the sand >Causes/Enables> They make footprints in the sand