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: Party time. Sentence 1: Mark was excited for his sixth birthday. Sentence 2: He had invited all of his friends to a party. Sentence 3: His parents had rented a bounce house for the party. Sentence 4: At the party all of his friends played in the bounce house. Choices: a. The car's interior got soaked. b. Everyone had a great time.
[A]: b

[Q]: Title: Spider. Sentence 1: Jessica and Tom were happily married. Sentence 2: One day Jessica saw a spider in their home. Sentence 3: She became very upset. Sentence 4: Tom killed the spider. Choices: a. Jessica became very happy that Tom killed the spider. b. But he managed to ace the exam!
[A]: a

[Q]: Title: Scotty. Sentence 1: Scotty had very greasy hair. Sentence 2: He used a lot of product. Sentence 3: We called him Crisco head because of it. Sentence 4: It never seemed to hurt his feelings. Choices: a. One day he said it did. b. I drank the entire can before I felt better.
[A]:
a