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.

[EX Q]: Title: Cat. Sentence 1: My cat and I moved to a new apartment. Sentence 2: I loved my new apartment, but my cat didn't. Sentence 3: He would often hide in a closet or under the bed to show his anger. Sentence 4: One day, I called for him but couldn't find him anywhere. Choices: a. I think he ran away, because I never saw him again. b. Claire brought the trash out.
[EX A]: a

[EX Q]: Title: Walter's Weird Night. Sentence 1: Walter noticed something strange in the sky one night. Sentence 2: He didn't believe in space aliens, but he was confused. Sentence 3: He was sure he had seen a flying saucer in the night sky. Sentence 4: Then he saw on the news that a weather balloon had crashed. Choices: a. Walter was relieved that aliens hadn't come visiting after all. b. The person in front of me paid for my drink, Good Samaritan score!
[EX A]: a

[EX Q]: Title: Sassy. Sentence 1: I took my pomeranian to the pet store. Sentence 2: He always looks so happy when he's there. Sentence 3: He struts around looking at the toys. Sentence 4: Although, his favorite stop is in front of the treats. Choices: a. He makes sure I see them too. b. He eventually passes out from all the drinking.
[EX A]:
a