Detailed Instructions: 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 seamlessly connects with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes more sense.
Q: Title: Missing. Sentence 1: Karla wanted to play with her cat before dinner but couldn't find him. Sentence 2: She looked under the couch but he wasn't there. Sentence 3: The she checked behind her dresser but he was not there either. Sentence 4: Karla went to the kitchen and started making the cat's dinner. Choices: a. Then the cat popped out of a cupboard and meowed for his food. b. Bobby brought his watch to a repair professional.
A:
a