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: Return Fire. Sentence 1: A couple of people gathered in the parking lot. Sentence 2: They ignited a few fireworks. Sentence 3: Dan had to reignite some of them. Sentence 4: However, he got burned by one of the sparks. Choices: a. The officer immediately arrested him. b. His mom took him to the hospital to get a few stitches.
[A]: b

[Q]: Title: Tooth. Sentence 1: Patty had a sore tooth. Sentence 2: From childhood, Patty had a fear of the dentist. Sentence 3: Patty found a local dentist that provides sedation dentistry. Sentence 4: Patty went into have her tooth fixed. Choices: a. She knew she could eat this everyday. b. Patty did not remember a thing and was so happy.
[A]: b

[Q]: Title: The Guitar. Sentence 1: I wanted to learn to play guitar. Sentence 2: I went to a music store. Sentence 3: A salesman let me play with a guitar in a corner. Sentence 4: A string snapped, flying up and hitting me in the face. Choices: a. He monitored his guests closely as they attended. b. I immediately handed back the guitar.
[A]:
b