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: Mistaken Identity. Sentence 1: Joe was walking down the street minding his own business. Sentence 2: All of a sudden a police officer was grabbing him. Sentence 3: The officer said he matched the description of a bank robber! Sentence 4: Joe knew it was a mistake but was still afraid. Choices: a. Fortunately he had an alibi for the time of the crime so was let go. b. It was just a big truck driving by!

Ex Output:
b

Ex Input:
Title: Chef. Sentence 1: There was a man who went to culinary school. Sentence 2: He applied to restaurants but couldn't land the job. Sentence 3: He was frustrated and wondered why. Sentence 4: Finally someone told him it was lack of experience. Choices: a. He decided to be an intern first instead. b. He made 500 dollars and then left the state that morning.

Ex Output:
b

Ex Input:
Title: The Eater. Sentence 1: The man ate the same meals every day for breakfast lunch and dinner. Sentence 2: He was at his favorite restaurant eating his same waffles and sausage. Sentence 3: He looked out the window and saw a young girl eating alone. Sentence 4: The man walked up to the girl and asked to eat together. Choices: a. They each got exactly twenty six so it was a tie. b. She ordered the same meal as him and he fell head over heels in love.

Ex Output:
a