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: Balloons. Sentence 1: Carl was an old man who sold balloons. Sentence 2: One day, he met a young boy named Russell. Sentence 3: Russell wanted a balloon but couldn't afford one. Sentence 4: Carl was in a charitable mood. Choices: a. Bill then realized it was Saturday. b. He gave Russell two balloons for free.

Output: b

Input: Consider Input: Title: Water Works. Sentence 1: Dan wanted to start a new business in his town. Sentence 2: Dan decided he wanted to open a water park for toddlers. Sentence 3: Dan felt there were no water parks for that age group. Sentence 4: Dan decided he would name the park Water Works. Choices: a. Dan could not wait to start building his new business. b. The weather was terrific and they had a great time.

Output: a

Input: Consider Input: Title: The Cats. Sentence 1: Julie lived next to an alley. Sentence 2: There were cats that lived there. Sentence 3: They would meow all day and night. Sentence 4: Julie couldn't take it anymore! Choices: a. They got a forty two inch tv. b. She started shooing them away when they would meow at her.
Output: b