Definition: 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.
Input: Title: Bobo. Sentence 1: Bobo was a black dog. Sentence 2: He liked to dig a hole under the fence and get out of the yard. Sentence 3: He would then run to the neighbor's house and eat their chickens. Sentence 4: Bobo's owner got a shovel and filled in all the holes Bobo had dug. Choices: a. She said I couldn't but offered me store credit. b. Now Bobo stays in his yard.
Output:
a