In this task, you're given four sentences of a story written in natural language. The given story is not complete and your job is to complete the story by selecting one of the sentence choices from (A) and (B), such that the story sounds fully coherent.

Sentence1: Sean's roommates notice that his clothes and bed start to smell. Sentence2: They tell him he needs to clean his laundry pretty soon. Sentence3: Sean protests at first, but finally he cleans his laundry. Sentence4: His roommates are grateful that Sean no longer smells as bad. 
 (A) Sean's roommates got very angry that he wasn't listening. (B) They tell him to never wait so long to do laundry again.

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
B