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: Mouse Trap. Sentence 1: Tom noticed he had mice. Sentence 2: There were small poops and traces of it everywhere. Sentence 3: Tom decided to get some humane mouse traps. Sentence 4: They were quite effective. Choices: a. Tina was annoyed and went home. b. Tom was able to get rid of the mice in no time.

Output: b

Input: Consider Input: 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.

Output: a

Input: Consider Input: Title: Popcorn. Sentence 1: Tim decided to make a bag of popcorn. Sentence 2: The bag was inside a box on his shelf. Sentence 3: He opened the box and took out a bag. Sentence 4: He read the instructions and put the bag in the microwave. Choices: a. Mountain declared never again would he climb the mountains. b. A minute later he was rewarded with the delicious smell of popcorn.
Output: b