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.

Input: Consider 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.

Output: b

Input: Consider Input: Title: Tires. Sentence 1: On Sunday my wife went food shopping. Sentence 2: When she got to the car she saw the low tire pressure light. Sentence 3: She called me and I went down to get a pump. Sentence 4: I am disabled and have trouble walking and bending over. Choices: a. But thankfully she made 100% immediately. b. We managed to fill the tires with air, luckily.

Output: a

Input: Consider Input: Title: A new friend. Sentence 1: A friend of mine gave me a cat for my birthday. Sentence 2: She was fully grown and trained. Sentence 3: It took her a little time to learn her new home. Sentence 4: She is the best cat I have ever seen. Choices: a. The fair was the best one that he had been to. b. We are each other's new best friends.
Output: a