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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Title: The Coyote. Sentence 1: Carina rode her horse up in the hills with her dog Beau at her side. Sentence 2: They cantered up a winding road and saw a coyote. Sentence 3: Beau ran after the coyote, ignoring Carina's screams to stop. Sentence 4: Carina galloped after her dog as he chased the coyote. Choices: a. Almost immediately, he saw the bids coming in and laughed devilishly. b. The coyote escaped into trees and Beau happily came back to Carina.
Output:
a