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: Running from Cops. Sentence 1: Steven and Sean were hanging out in the woods. Sentence 2: They were smoking when they heard dogs and voices. Sentence 3: Soon they realized a cop was searching the woods. Sentence 4: They gathered their things and bolted away. Choices: a. They ran for a long time before finally stopping and feeling safe. b. He found one he liked.
[A]: a

[Q]: Title: Murder Mystery. Sentence 1: We went to a dinner and show one night. Sentence 2: There was a murder mystery on stage. Sentence 3: Someone was killed, and we had to solve the murder. Sentence 4: It was very entertaining. Choices: a. He is getting extra exercise. b. My son guessed the murderer correctly, and our meal was free.
[A]: b

[Q]: Title: Gymnastics. Sentence 1: Jen knew it was up to her. Sentence 2: The rest of her team and already gone and it was her time. Sentence 3: She got up on the balance beam. Sentence 4: She performed an amazing routine. Choices: a. He improvised a song and was taken in unanimously. b. The judges scores came in, her team had won!
[A]:
b