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: Lacy. Sentence 1: Lacy was walking a cemetery in the country. Sentence 2: She had got lost while navigating the huge area. Sentence 3: She decided to follow the trails to see where they would take her. Sentence 4: After following the trails she ended up at her car. Choices: a. Todd was happy to celebrate his Irish heritage. b. She was so happy she was not lost anymore.

Output: a

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: New hair color. Sentence 1: Megan had always been a blonde. Sentence 2: She decided to do something different with her hair. Sentence 3: She went to her stylist and chose a different color. Sentence 4: She picked out a brunette color. Choices: a. She was very happy with her new color. b. She fell back to sleep because they made her drowsy.
Output: b