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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.

Example Input: Title: Going to Concert.. Sentence 1: Neil loves watching rock concerts. Sentence 2: He went to a show with his girlfriend. Sentence 3: They give their tickets to security. Sentence 4: They jump up and down when the music plays. Choices: a. Neil drives his girlfriend home when the concert is done. b. I mixed it in and rolled it around.
Example Output: a

Example Input: Title: Trip Gone Wrong. Sentence 1: The family entered the car. Sentence 2: My dad droves us several miles to visit my grandmother's house. Sentence 3: On the ride home, the car got a flat tire. Sentence 4: We ended up waiting for my uncle to come. Choices: a. Now Jose needs to find a new favorite game. b. He didn't show up until an hour later.
Example Output: b

Example Input: Title: The Flu. Sentence 1: Erica woke up one morning not feeling well. Sentence 2: She had a runny nose and her muscles hurt. Sentence 3: She went to the doctor and he told her she had the flu. Sentence 4: She went and got medicine and orange juice. Choices: a. She began to feel better in a couple days. b. The milk was spilling everywhere ruining everything.
Example Output:
a