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: A Change. Sentence 1: Bob's car broke down in the middle of the road. Sentence 2: As he stood there waiting for help, he had an epiphany. Sentence 3: His car had brought him nothing but trouble and pain. Sentence 4: As soon as it ran, Bob took it into a lot and sold it. Choices: a. He bought a motorcycle and is happier than he ever was with his car. b. I took him home and we became best friends.
Example Output: a

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: The Parents. Sentence 1: Ron was a coach on a baseball team. Sentence 2: The parents of one of the players were causing a lot of problems. Sentence 3: They would scream at the players at the games. Sentence 4: Ron talked to the president of the league. Choices: a. The president told the parents to leave the park. b. However, Jenny made the team and was excited.
Example Output:
a