Detailed Instructions: In this task, you will be shown an extract from a movie plot and a question. You need to provide the correct answer for it. Short answers containing words that are present in the passage are preferred.
See one example below:
Problem: Twenty-year-old Will Hunting of South Boston is a self-taught, genius-level intellect, though he works as a janitor at the Massachusetts Institute of Technology and spends his free time drinking with his friends, Chuckie (Ben Affleck), Billy (Cole Hauser) and Morgan (Casey Affleck). When Professor Gerald Lambeau (Stellan Skarsgård) posts a difficult mathematics problem as a challenge for his graduate students, Will solves the problem anonymously, stunning both the graduate students and Lambeau himself. As a challenge to the unknown genius, Lambeau posts an even more difficult problem. Lambeau chances upon Will solving the problem but Will flees the scene. That night at a bar, Will meets Skylar (Minnie Driver), a British student about to graduate from Harvard, who plans on attending medical school at Stanford and gives Will her phone number before leaving., Question: How old is Will Hunting in the movie ?
Solution: Answer: Twenty years
Explanation: This is a good example which results in a factoid answer.

Problem: Duane Bradley arrives in New York City with a locked basket. After he gets a room at a cheap hotel, the contents of the basket are finally revealed: in it lives his deformed Siamese twin brother, Belial. Although conjoined at birth, the twins were surgically separated at an early age against their will, and Belial deeply resents being cut off from his normal-looking brother. As the twins seek revenge against the doctors responsible for their separation, Duane befriends a nurse, Sharon. Jealous, Belial attacks and kills her when he becomes frustrated with his inability to rape her. Enraged at his brother for his actions, Duane attempts to kill Belial, which results in the two brothers falling from a hotel window., Question: Why does Belial attack and kill Sharon?
Solution:

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
Answer: He becomes frustrated with his inability to rape her.