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.

Example input: Title: Marcus Buys Khakis. Sentence 1: Marcus needed clothing for a business casual event. Sentence 2: All of his clothes were either too formal or too casual. Sentence 3: He decided to buy a pair of khakis. Sentence 4: The pair he bought fit him perfectly. Choices: a. Marcus was happy to have the right clothes for the event. b. He left in a huff for having his ideas mocked.
Example output: a
Example explanation: Marcus is buying clothes for a business event and not presenting an idea.
Q: Title: Chores. Sentence 1: Heather has a lot of chores. Sentence 2: Her parents give her an allowance. Sentence 3: She makes sure to get them all done. Sentence 4: She likes to save her money. Choices: a. Bob's taco meat was burnt but edible as they were still Tuesday tacos! b. One day she plans to buy a cellular phone.
A:
b