You will be given a definition of a task first, then some input 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: Hot Dog. Sentence 1: Andy wanted to take his dog trick or treating. Sentence 2: But he couldn't figure out an outfit for his dog. Sentence 3: He looked online for clever dog costumes. Sentence 4: HE saw a "hot dog" costume and liked the play on words. Choices: a. The couple panicked and the home had to go to the bank. b. He bought the hot dog costume and took his dog trick or treating.
Output:
b