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: Pat saw a hill in his backyard and hatched a plan. He dug into the hill to make a deep hole. He lined the sides of the hole with wood to make a room. Pat used this as his roots cellar for his food. He put a door on it and began to fill it with food.
selected sentence: He put a door on it and began to fill it with food.

A: Pat builds a root cellar >Causes/Enables> Pat puts a door on the root cellar
****
Q: story: Jim was thirsty. He walked into the kitchen. He filled a cup with some water from the sink. Jim drank the water. Jim wasn't thirsty anymore.
selected sentence: He filled a cup with some water from the sink.

A: Jim is thirsty >Causes/Enables> He fills a cup with water
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Q: story: Wes invited Doug to his grandfather's lake house. Doug loved to swim. Doug accepted the invitation to the lake house. Wes and Doug were attacked by horseflies when they swam. They spent the rest of the time inside the late house watching tv.
selected sentence: Doug accepted the invitation to the lake house.

A:
Wes invites Doug to the lake house >Causes/Enables> Doug accepts Wes' invitation
****