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: Boss. Sentence 1: Michael was a manager at a paper company. Sentence 2: Sometimes he would walk around the cubicles and talk to people. Sentence 3: This annoyed his employees, but they never said a word to him. Sentence 4: One day, Michael decided he wanted everybody's attention. Choices: a. Luckily Rob's family left as their house was destroyed. b. In order to get it, he pretended to fire the receptionist.
[A]: b

[Q]: Title: Pet Mouse. Sentence 1: One day AJ got a pet mouse. Sentence 2: He named it Squeaks. Sentence 3: He designed Squeaks' cage to look cool. Sentence 4: He brought Squeaks home and put him in the cage. Choices: a. He already loved his new pet. b. She was now famous!
[A]: a

[Q]: Title: American. Sentence 1: Spencer's first credit card had just arrived in the mail. Sentence 2: He was very excited and decided to go shopping. Sentence 3: Spencer went from store to store buying lots of new clothes. Sentence 4: At dinner, his waiter came and told him his card had been declined. Choices: a. Spencer had spent too much money and maxed out his credit card. b. When May finally passed, she didn't left nothing but a corpse.
[A]:
a