Instructions: In this task, you're given the title of a five-sentence story, the first four sentences, and two options for the fifth sentence as a and b. Your job is to pick the sentence option that does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.
Input: Title: Side Effects. Sentence 1: Kara decided to take a new kind of medicine for her bipolar disorder. Sentence 2: She took it everyday for 3 months. Sentence 3: She started getting very bad side effects. Sentence 4: She talked to her doctor who found her an alternative medicine. Choices: a. Ben was so happy that he cried. b. She's been taking that medicine without side effects for 4 months.
Output:
a