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: Caley was reading a book in the bathtub. She dropped the book in the water. The book was soaking wet. Caley tried to let the book dry out, but it didn't work. Caley had to buy a new book to finish reading it.
 selected sentence: Caley had to buy a new book to finish reading it.

Caley's book gets wet >Causes/Enables> Caley has to buy a new book