Q: In this task, you will be given a short story. One sentence from the story is chosen. Consider the likely emotions of the participants in the sentence and those affected by it. Is any of these emotions caused by the sentence? You should write your answer in the form " A >Causes> B". Try to use phrases and sentences from the story to compose your answer when possible. For the sentence describing the result, you must use the verb feel(s).
story: Bob sat around all day. And he thought he was useless. But he saw a lost dog outside of his house. And he decided to take care of him. Bob was happy to make a difference in dog's life.
 selected sentence: And he thought he was useless.
A:
Bob thinks he is useless >Causes> Bob feel(s) depressed