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.

Q: story: Ellen gave birth to a baby girl. She didn't know what to name her. She bought a baby name book. Ellen read all of the names in the book. She found the perfect name to name her baby.
selected sentence: She bought a baby name book.

A: Ellen couldn't think of a name for her baby >Causes/Enables> Ellen bought a baby name book
****
Q: story: Sarah's kid loved cereal and finished all of the cereal. So Sarah had to go get cereal from the store. So Sarah drove to the store in the morning. She found her daughter's favorite cereal and bought four boxes. Her daughter was happy to have more of her favorite cereal.
selected sentence: Her daughter was happy to have more of her favorite cereal.

A: Sarah buys four boxes of her daughter's favorite cereal >Causes/Enables> Sarah's kid is happy
****
Q: story: Jen felt tired after waking up early to run errands. She decided she would take a nap. Jen fell asleep for almost an hour. When she woke up she felt great. Jen was happy that she didn't feel tired any more.
selected sentence: She decided she would take a nap.

A:
Jen feels tired >Causes/Enables> jen takes a nap
****