Instructions: 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: Jim was farting a lot more than usual. Sentence2: His wife became concerned because they smelled unusually terrible. Sentence3: She insisted that he go see a doctor. Sentence4: Jim's doctor told him he is becoming lactose intolerant.
(A) Jim's wife decided he should have a dairy-rich diet. (B) Jim's wife was relieved to find the source of the problem.
Output:
B