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: Consider Input: story: Today I have been working on the alphabet with my son. He has learned the first three letters. Today we are working on the fourth and fifth letters. He has been a little frustrated, but he keep on trying. By the end of the day he had learned the new letters.
selected sentence: By the end of the day he had learned the new letters.

Output: I teach my son >Causes/Enables> My son learns

Input: Consider Input: story: Sam was feeling lonely. He decided to cheer himself up with a new pet. He went to the pet store on the weekend. He picked out a red colored parrot that he took home. Sam was no longer lonely with his new pet parrot.
selected sentence: He decided to cheer himself up with a new pet.

Output: Sam feels lonely >Causes/Enables> Sam decides to cheer himself up

Input: Consider Input: story: Tina and her friends were excited to go on a hot air balloon. It was the first time they were able to go on a hot air balloon. The girls were thrilled to experience this day. As the girls went in the air, the girls were very happy. The view from above was amazing.
selected sentence: Tina and her friends were excited to go on a hot air balloon.
Output: Tina sees a hot air balloon >Causes/Enables> Tina gets excited to go on a hot air balloon