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: Family Trip. Sentence 1: Erika didn't want to go on a trip with her family. Sentence 2: She thought it was lame and boring. Sentence 3: After the first day there she started to relax. Sentence 4: By the end of it she found herself having a lot of fun. Choices: a. Hector found a dead body in the ground and calls the police. b. Erika now looks forward to their next family trip.

Output: a

Input: Consider Input: Title: The onion plant.. Sentence 1: Louise wanted to learn to grow onions. Sentence 2: It required many steps and Louise failed her first attempts. Sentence 3: Finally she got a successful plant growing. Sentence 4: She harvested the onions and hoped for the best. Choices: a. Luckily, they were delicious and juicy. b. She was very proud of their good hearts.

Output: b

Input: Consider Input: Title: Birthday. Sentence 1: John was looking forward to his birthday. Sentence 2: He wanted a brand new bicycle. Sentence 3: John's parents surprised him with a unicycle. Sentence 4: He fell many times learning to ride it. Choices: a. John felt very accomplished when he finally mastered it. b. She stayed up all night developing a great dance routine.
Output: b