Definition: 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.
Input: Sentence1: An office downtown had a red carpet. Sentence2: The office staff complained it was always dirty. Sentence3: But none of their vacuums could properly clean it. Sentence4: So they hired a professional carpet cleaner.
(A) It ended up dirtier than it was before. (B) The carpet looked almost new after it was cleaned.
Output:
B