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: Order taking too long. Sentence 1: Tina ordered a sub. Sentence 2: It was fast food. Sentence 3: But it was taking too long. Sentence 4: Tina then got angry. Choices: a. So she complained to management. b. It took her over a year to get over it and date someone else again.

Output: a

Input: Consider Input: Title: Hey that isn't me. Sentence 1: Two twins were shopping. Sentence 2: One of the twins left the store stealing a coat. Sentence 3: The security man sees this and rushes to catch him. Sentence 4: The security man catches the innocent twin. Choices: a. He had tripped over his laces on the stairs, fell and broken his arm. b. The innocent twin is taken to jail for a crime he didn't commit.

Output: b

Input: Consider Input: Title: Clogged Sink. Sentence 1: Tom was washing dishes. Sentence 2: He noticed the water wasn't leaving. Sentence 3: The pipe had gotten clogged. Sentence 4: Tom used a plunger to fix it. Choices: a. From that day forward, she promised to always take care of animals. b. It worked and he was able to finish washing dishes.
Output: b