Given the task definition and input, reply with output. 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.

Title: Monopoly. Sentence 1: It was a rainy and gloomy day. Sentence 2: The family decided to play a board game. Sentence 3: They decided on Monopoly. Sentence 4: The game went on and on. Choices: a. It finally ended when one player got Park Place and Boardwalk. b. Charles had definitely gotten his money's worth.
b