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.
--------
Question: story: Jim was sleeping. But he woke up to the sound of thunder. He began to hear rain too. Jim was upset that there was a storm. He did not want to drive in bad weather.
selected sentence: Jim was sleeping.

Answer: Jim fell asleep >Causes/Enables> Jim is sleeping

Question: story: Sam decided he wanted to ride his bike to work to get some exercise. Sam didn't often ride his bike and had forgotten how to use the gears. Getting to work was simple since it was all down hill. Going home was difficult since the ride was all uphill. He arrived home exhausted and decided to practice gear-shifting.
selected sentence: Going home was difficult since the ride was all uphill.

Answer: Sam forgets how to use the gears >Causes/Enables> Going uphill is difficult

Question: story: Jim made a Christmas ornament in school. He brought it home to his mom. He worried that she wouldn't like it. But she reacted very favorably! She hung Jim's ornament on the tree right away.
selected sentence: He worried that she wouldn't like it.

Answer:
Jim gives the ornament to his mom >Causes/Enables> Jim worries his mom won't like it