Given the task definition, example input & output, solve the new input case.
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.
Example: Title: Marcus Buys Khakis. Sentence 1: Marcus needed clothing for a business casual event. Sentence 2: All of his clothes were either too formal or too casual. Sentence 3: He decided to buy a pair of khakis. Sentence 4: The pair he bought fit him perfectly. Choices: a. Marcus was happy to have the right clothes for the event. b. He left in a huff for having his ideas mocked.
Output: a
Marcus is buying clothes for a business event and not presenting an idea.

New input case for you: Title: Shape. Sentence 1: Kiyree in no where near as good of shape as she was in high school. Sentence 2: She played many sports in high school. Sentence 3: She wanted to get back in that physical shape again. Sentence 4: She began training and working out. Choices: a. Kiyree is sure she will be in better shape before long. b. Charlie confessed that he broke the vase to his Mother.
Output:
a