You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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.

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.
Solution: a
Why? Marcus is buying clothes for a business event and not presenting an idea.

New input: Title: Big Winner. Sentence 1: Dave bought a lottery ticket once a month just for kicks. Sentence 2: One night he came home and popped a frozen pizza in the oven. Sentence 3: Mike sat down with dinner and turned on his television. Sentence 4: The announcer read out the winning lottery numbers. Choices: a. She figured she'd build a better house where the current one stood. b. Mike nearly choked on his pizza because he had the winning ticket!
Solution:
b