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 Input:
Title: Basketball Game. Sentence 1: A couple of Mormons challenged strangers to a basketball game. Sentence 2: The others accepted. Sentence 3: The Mormons were exceptionally good at the game. Sentence 4: They beat the other guys fairly easily. Choices: a. The other guys were impressed and it sparked a conversation. b. Lance broke his hand and had to go to the hospital.

Ex Output:
a

Ex Input:
Title: Kitty Rescue. Sentence 1: Allison heard a meow from outside of her bedroom window. Sentence 2: Outside, she finds a kitten stuck in a tree. Sentence 3: Allison calls her neighbor, Tom, to help get the cat. Sentence 4: Tom uses his dad's ladder to climb up and rescue the kitten. Choices: a. He told Ian it wasn't aliens but only foreign spies with hand radios. b. Allison decides to keep the kitten.

Ex Output:
b

Ex Input:
Title: B-Ball. Sentence 1: Will wanted to join his high school basketball team. Sentence 2: Will spent all Summer practicing drills at his local gym. Sentence 3: Will also watched videos about basketball strategy. Sentence 4: Will tried out for the squad at the start of the new school year. Choices: a. But as soon as it was done, Steve drove Ken back to his house. b. Will made the team!

Ex Output:
b