Instructions: 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).
Input: story: Brad was so much in love with his girlfriend. Brad had dated her for years. One day Brad was coming over to her house. He knocked on the door with flowers. She answered the door and tells him it's over.
 selected sentence: She answered the door and tells him it's over.
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Brad's girlfriend breaks up with him >Causes> Brad feel(s) sad