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: Lora has a dog. The dog barks all day long. She believes it is because of the birds. One day she decided to put up curtains. Now the dog barks much less.
 selected sentence: She believes it is because of the birds.

Lora's dog barks all day >Causes/Enables> Lora thinks the dog barks because of the birds