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: A contest. Sentence 1: Ann wanted to invent a new product. Sentence 2: She sketched almost 100 ideas. Sentence 3: She picked the best one to submit to a contest. Sentence 4: It was a mechanical dog. Choices: a. When the day of the party came, Barry had become a good skater. b. She won the contest and the $1000 prize.
Output:
a