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.

Example Input: Title: A rainy day at the fair. Sentence 1: Sam and his family went to the local town fair one Saturday. Sentence 2: It was hot and humid but they tried to have fun anyway. Sentence 3: Sam went on a few rides and played a few games. Sentence 4: Suddenly it became very dark and the humidity broke. Choices: a. Sam and his family ran to the car getting soaked by the rain. b. The kids cried to stay and play.
Example Output: b

Example Input: Title: Sight Seeing. Sentence 1: The Henry's visited Paris. Sentence 2: The Eiffel Tower lights went off. Sentence 3: People began to complain. Sentence 4: The Henry's were disappointed. Choices: a. She liked that decision. b. They trudged their way back home.
Example Output: a

Example Input: Title: Surfing. Sentence 1: Josh was surfing at the beach. Sentence 2: Josh fell off the surfboard. Sentence 3: The board flew up into the air. Sentence 4: It crashed into the air and was broken under the waves. Choices: a. It turned out to actually be really ugly. b. Josh picked up the pieces and went home.
Example Output:
a