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.
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Question: Title: Mark goes to the dentist. Sentence 1: Mark went to the dentist for the first time in two years. Sentence 2: He had a cleaning, exam and x-rays done by the dentist. Sentence 3: After the exam, the dentist told Mark he had three cavities. Sentence 4: Mark was relieved that was all he had. Choices: a. He made an appointment for the fillings and went home happy. b. Clark goes to the doctor and they tell him he has scabies.

Answer: b

Question: Title: A rainy day at the fair. Sentence 1: Sam and his family went to the local town fair one Saturday. Sentence 2: It was hot and humid but they tried to have fun anyway. Sentence 3: Sam went on a few rides and played a few games. Sentence 4: Suddenly it became very dark and the humidity broke. Choices: a. Sam and his family ran to the car getting soaked by the rain. b. The kids cried to stay and play.

Answer: b

Question: Title: Rap Battle. Sentence 1: One day some kids at school decided to have a rap battle. Sentence 2: Alec and Ron faced off. Sentence 3: People voted for who they thought should win. Sentence 4: Everyone voted for Alec. Choices: a. Alec won the battle. b. So she decided to eat just butter despite her weight.

Answer:
b