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.

Example Input: Title: Bad Curve. Sentence 1: Denny was driving on an unfamiliar road. Sentence 2: The road curved sharply to the right. Sentence 3: Denny was driving his car a little too fast. Sentence 4: He drove his car off the road. Choices: a. Kate hung her head and left empty handed. b. Denny had to get his car towed out of the ditch.
Example Output: a

Example Input: Title: Broken Parachute. Sentence 1: Maurice went skydiving with some buddies. Sentence 2: He flew through the air and felt exhilarated. Sentence 3: He then attempted to deploy the parachute. Sentence 4: It wouldn't open and Maurice started to flip out. Choices: a. His friend grabbed him firmly and deployed his own parachute. b. Martin swept up the glass off the garage floor.
Example Output: b

Example Input: Title: Making Cookies. Sentence 1: Martha decided to make cookies one morning. Sentence 2: She went out and bought the ingredients. Sentence 3: Then she made the cookies and put them in the oven. Sentence 4: Once they were out, she set them down to cool. Choices: a. After they were cooled, she ate them. b. Mike then fought and beat up his bully.
Example Output:
b