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.

[Q]: Title: Bad Curve. Sentence 1: Denny was driving on an unfamiliar road. Sentence 2: The road curved sharply to the right. Sentence 3: Denny was driving his car a little too fast. Sentence 4: He drove his car off the road. Choices: a. Kate hung her head and left empty handed. b. Denny had to get his car towed out of the ditch.
[A]: a

[Q]: Title: Shoplifter. Sentence 1: I work in a large store that has undercover loss prevention workers. Sentence 2: Yesterday one of them was following a woman through the store. Sentence 3: She saw the woman open packages and put things in her purse. Sentence 4: The management team waited outside of the front door. Choices: a. They caught the woman with a purse full of stolen items. b. Buddy is relieved he survived his brakes going out.
[A]: b

[Q]: Title: Mental Math. Sentence 1: Joey decided to do mental math everyday. Sentence 2: And he became very good at it. Sentence 3: He was able to solve difficult problems in his head. Sentence 4: And he decided to compete in a mental math competition. Choices: a. He ate so much that he got sick. b. Joey ended up getting second place.
[A]:
a