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: Lisa's Achievement. Sentence 1: Lisa's parents allowed her to adopt three cats. Sentence 2: Lisa enjoys caring for the pets and entering them in cat shows. Sentence 3: At first, her parents thought this was a waste of time and money. Sentence 4: Lisa recently won a very prestigious award and they are proud of her. Choices: a. They now believe their daughter's hobby is worthwhile. b. Thelma bought two benches like this and solved her problem.
Output:
b