Definition: 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: Sprained Ankle. Sentence 1: Liz was out running when she stepped into a hole. Sentence 2: Her ankle bent as she fell to the ground. Sentence 3: She got up but she couldn't put any weight on her foot. Sentence 4: She looked around until she found a big tree branch to support. Choices: a. She was able to use it to help her hobble back home. b. Everyone was very proud of their ethics.
Output:
b