Teacher:In this task, you're given a context, a question, and three options. Your task is to find the correct answer to the question using the given context and options. Also, you may need to use commonsense reasoning about social situations to answer the questions. Classify your answers into 'A', 'B', and 'C'.
Teacher: Now, understand the problem? Solve this instance: Context: Kendall was going to bed for the night so they closed the door after Sydney left. 
 Question: Why did Kendall do this? 
 Options: (A) So they wouldn't be bothered (B) lock the door (C) were hot
Student:

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
A