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: Second Thoughts. Sentence 1: Penny was mad since her boyfriend broke up with her. Sentence 2: Her mom tried to give her advice. Sentence 3: However, Penny yelled at her and went to her room. Sentence 4: She took a nap until tonight. Choices: a. Tim bought many bananas, and was happy about it. b. After feeling bad, she apologized to her mom.

Ex Output:
a

Ex Input:
Title: What to Eat. Sentence 1: John arrived home from work. Sentence 2: He looked through the fridge, but he had nothing to eat. Sentence 3: John then looked through the freezer to see what to cook. Sentence 4: He decided he did not want to cook. Choices: a. John ended up going out to get wings! b. The hose was leaking and he forgot to tell her.

Ex Output:
b

Ex Input:
Title: The Bill. Sentence 1: James was waiting for a bill in the mail. Sentence 2: The bill still hadn't arrived. Sentence 3: James called the billing company. Sentence 4: The company allowed James to pay over the phone. Choices: a. Her daughter paid for a whole new carpet. b. James began to pay his bill on the phone.

Ex Output:
a