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: Pit Bull. Sentence 1: Adam went to the park to walk his dog. Sentence 2: He saw a man with a pit bull. Sentence 3: The pit bull was not on a leash. Sentence 4: He tried to walk his dog away, but the pit bull lunged. Choices: a. The dog ripped off a piece of his own dog's ear. b. She was so happy and impressed, that she said Yes!
Output:
b