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: Bad Direction. Sentence 1: Jeffrey threw a Frisbee at Carlos. Sentence 2: The Frisbee approached him. Sentence 3: However, the wind blew it in another direction. Sentence 4: It smacked Jane on the head. Choices: a. She had a large bruise on her head. b. The police discovered the demolished car at the bottom of the hill.
Output:
a