Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Title: The Teeth. Sentence 1: Carl had a great smile. Sentence 2: He took very good care of his teeth. Sentence 3: He cared a lot about keeping them healthy. Sentence 4: He flossed every day and brushed three times each day. Choices: a. Since then, the three brothers don't raft anymore and mourn. b. Everyone commented on how great his teeth were.
Student:
a