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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Input: Consider Input: Title: The Bat. Sentence 1: One evening at dusk James was outside on the deck with his family. Sentence 2: He looked to them and said he would show them a trick. Sentence 3: James balled up a pair of white socks. Sentence 4: He then threw them into the air and a small black bat swooped by. Choices: a. She had to drive all the way to the market to finally finish her cake. b. The whole family gasped and James smiled.

Output: b

Input: Consider Input: Title: The System Check. Sentence 1: Marvin called a repairman to his house. Sentence 2: His air conditioner seemed to be struggling. Sentence 3: It was almost 80 degrees in his house. Sentence 4: The repairman replaced a part. Choices: a. He watched them until they were out of sight. b. By that evening, the house was a cool 72 degrees.

Output: b

Input: Consider Input: Title: Lost Card. Sentence 1: Tom was out with friends. Sentence 2: He offered to pay for lunch. Sentence 3: Unfortunately he wasn't able to find his debit card. Sentence 4: Tom was embarrassed and asked for forgiveness. Choices: a. His friends paid for his food and told him it was fine. b. He gave her shots that relieved her discomfort.
Output: a