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: Sparky's Cat Gameboy. Sentence 1: Gameboy is a big orange cat. Sentence 2: Sparky loved Gameboy very much. Sentence 3: One night Gameboy went outside and disappeared. Sentence 4: Sparky was very upset to lose his friend. Choices: a. He snuggled happily against the gate. b. Sparky's dad took him to the animal shelter and there was Gameboy.
a