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.

Input: Consider Input: 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.

Output: b

Input: Consider Input: Title: Fred gets a package. Sentence 1: One day fred was sitting at home. Sentence 2: He was watching tv. Sentence 3: He hears the doorbell ring. Sentence 4: He slowly gets up and opens the door. Choices: a. Nothing is there but a package. b. Finally, he fished a lighter out of his pocket and lit the cigarette.

Output: a

Input: Consider Input: Title: shout-out.. Sentence 1: Les was watching old movies in his living room. Sentence 2: He decided to try watching an old cowboy movie. Sentence 3: He was particularly impressed with a scene that involved a shout-out. Sentence 4: He imagined what he would do in that kind of situation. Choices: a. It took them a few minutes to thaw out. b. The answer that came to him was quite surprising.
Output: b