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.

Ex Input:
Title: Knitting Scarves. Sentence 1: Joey's fourth grade class was knitting scarfs for the homeless. Sentence 2: His teacher showed them how to do it and provided wool. Sentence 3: He wasn't excited about knitting but was glad to help homeless people. Sentence 4: Much to his surprise he found he liked to knit. Choices: a. That night at home he knitted two more scarves to donate. b. Rob realized his goal was too unrealistic.

Ex Output:
b

Ex Input:
Title: nuts. Sentence 1: The man filled his cup with nuts. Sentence 2: He sprinkled the nuts around a tree. Sentence 3: Squirrels came and gathered the nuts. Sentence 4: The man watched the squirrels. Choices: a. The man felt happy feeding the squirrels. b. His wife appreciated the honesty and gesture.

Ex Output:
b

Ex Input:
Title: The Waterpark. Sentence 1: Josh went to the water park with his family. Sentence 2: He got on several big slides. Sentence 3: They even let him eat junk food. Sentence 4: Josh loved the entire day. Choices: a. He talked about it all summer. b. She liked the way the drawn in eyebrows looked.

Ex Output:
b