Given the task definition and input, reply with output. 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: Tiger Noises. Sentence 1: Bill and Jill went to the zoo to see the big cats. Sentence 2: Jill looked in the tiger pen but didn't see it. Sentence 3: Bill stood behind Jill and made loud tiger noises. Sentence 4: The noises startled Jill greatly. Choices: a. She punched Bill on the shoulder for being so cruel. b. The chief handed them each a badge and said they were hired.
b