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.

Title: Go-Kart. Sentence 1: I used to have a really cool black go kart. Sentence 2: I would ride it almost everyday and had never flipped. Sentence 3: One day my cousin came over and she wanted to ride it. Sentence 4: So she hopped on and was doing really good. Choices: a. She turned to tight and flipped it resulting in a broken arm. b. Tim went on to do well in both fields academically.
b