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: Cliff's new dog Sam had not been behaving very well. He had tried everything to get him to act okay. But nothing would work, so he signed him up for puppy school. Arriving at the school, he saw other dogs running around barking. Sam got excited and ran into the pen with the other dogs immediately.
 selected sentence: He had tried everything to get him to act okay.

Cliff's new dog is not behaving well >Causes/Enables> Cliff tries to make him act okay