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: Reputation. Sentence 1: The man claimed to be a doctor. Sentence 2: Someone asked for some medicine. Sentence 3: He was not really a doctor. Sentence 4: He admitted to telling a lie. Choices: a. Olan offered to pay, but his neighbor insisted he take the pie. b. His reputation was destroyed.

Ex Output:
a

Ex Input:
Title: Ryan wins the award. Sentence 1: Ryan is a tv actor. Sentence 2: He is nominated for an award. Sentence 3: He arrives at the award show. Sentence 4: He wins the award at the show. Choices: a. His mother found the watch inside his backpack. b. Ryan goes home with his award.

Ex Output:
a

Ex Input:
Title: The Robber. Sentence 1: Ryan was going to a hotel in a foreign country. Sentence 2: He decided to stop and get some food. Sentence 3: While Ryan was eating he noticed a man in a mask. Sentence 4: The man in the mask came up to Ryan and robbed him. Choices: a. The custom was now made to look like a cat. b. Ryan ran to his hotel and called the police.

Ex Output:
a