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.

Input: Consider Input: Title: Graduation Day. Sentence 1: Cathy had been waiting four years for her graduation. Sentence 2: Cathy had worked very hard to attain her Bachelor's Degree. Sentence 3: Cathy had invited numerous family and friends to her graduation. Sentence 4: Cathy could not wait to walk across the stage to get her degree. Choices: a. But he kept looking out the window and admiring the truck. b. Cathy was very proud of her accomplishment.

Output: a

Input: Consider Input: Title: make up. Sentence 1: Jana always wear make up in school. Sentence 2: Her friends don't like how jana do her makeup. Sentence 3: So her friends confronted her in a nice way. Sentence 4: But jana didn't listen and still putting her makeup on. Choices: a. Because of that her friends knew her true attitude. b. Greg made an offer that day.

Output: b

Input: Consider Input: Title: The Teapot. Sentence 1: The girls were playing in their bedroom. Sentence 2: They had a big pink teapot. Sentence 3: They pretended to pour tea into each of their glasses. Sentence 4: Then they toasted to each other. Choices: a. They sipped the tea politely. b. It was great to finally see her dashing freely about the park!
Output: b