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: Cheetah Hunt. Sentence 1: A sleek cheetah stalked the savanna. Sentence 2: She spied a foolish antelope that had strayed from its herd. Sentence 3: The cheetah crept closer before launching her attack. Sentence 4: The cheetah and the antelope raced across the grass. Choices: a. The clever cheetah tripped her prey and won the deadly race. b. And her mom had to have her car cleaned the next day.
Output:
b