instruction:
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: John went for a walk. He walked to the park. There was a guy mowing the lawn. He waved at John. John waved back.
selected sentence: There was a guy mowing the lawn.
answer:
John went for walk to the park >Causes/Enables> A guy was mowing the lawn.

question:
story: Tom and Tim were yelling at each other. They both got ear aches from the noise. The pain was bad. They both made a promise. They would never yell at each other like that again.
selected sentence: They both got ear aches from the noise.
answer:
Tom yells at Tim >Causes/Enables> Tim gets an ear ache

question:
story: Matthew was not happy to be going shopping with his mother. The grocery store was no fun but then they went next door. It was a new pet shop filled with mice, birds, and fish! To a delighted Matthew, it was like a zoo. His mother let him pick his first pet, a goldfish with black spots.
selected sentence: To a delighted Matthew, it was like a zoo.
answer:
Matthew's mom takes Matthew to a pet store >Causes/Enables> Matthew is delighted