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: Bob's Mum bought a new dog without telling Dad. Dad was very angry and said it must go back to the shop. Mum said she had to go out but would take it back later. When she got home, Dad was cuddling the dog. He said it could stay.
 selected sentence: Dad was very angry and said it must go back to the shop.

Bob's mum surprises Bob's Dad with a dog >Causes/Enables> Dad asks that the dog be sent back