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.

[Q]: Title: Going Home. Sentence 1: The long weekend was almost over. Sentence 2: It was time to go home. Sentence 3: Tim, May, and their parents packed up their camping supplies. Sentence 4: Tim and May had so much fun over the last few days. Choices: a. Although they were sad to go home, they knew they'd return in spring. b. The reds, oranges, yellows and pinks were beautiful in the sky.
[A]: a

[Q]: Title: Pinball Machine. Sentence 1: Sam was at the local bar. Sentence 2: They had a pinball machine. Sentence 3: He loved playing those. Sentence 4: Sam got quarters and started to play. Choices: a. In the car, the cousins happily planned the week's activities. b. He was so good a small crowd started to gather around him.
[A]: b

[Q]: Title: New class. Sentence 1: My daughter just started gymnastic classes. Sentence 2: The first class was a lot of fun. Sentence 3: I think she may have found something she really likes. Sentence 4: She is actually good at it too. Choices: a. She couldn't wait to show it off to everyone! b. Maybe I will have an Olympian on my hands.
[A]:
b