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.

Input: Consider Input: Title: Music Practice. Sentence 1: Laura was trying to figure out how to play a song. Sentence 2: She had the notes down, but the rhythm was tricky. Sentence 3: She went through each measure slowly on her trombone. Sentence 4: She penciled notes onto her sheet music to help her remember. Choices: a. Tomorrow, she'd have the song ready. b. The car flips several times and Burt gets badly injured.

Output: a

Input: Consider Input: Title: Trail Mixer. Sentence 1: Bob bought a new kind of tropical trail mix. Sentence 2: When it arrived he ate a handful. Sentence 3: Bob's hands grabbed another scoop on their own accord. Sentence 4: Before he knew it, he'd eaten half the bag! Choices: a. Bob ordered another bag of it before his hands could grab any more. b. Within a few months, he had lost 40 pounds.

Output: a

Input: Consider Input: Title: Louise. Sentence 1: My 80 year old neighbor Louise sat on the bench today. Sentence 2: She and her son John were taking the bus to Harvard Square. Sentence 3: Louise said she gets cabin fever and needs to get out. Sentence 4: They caught the 227 bus. Choices: a. I waved goodbye to her. b. So he decided to add more bananas into his diet.
Output: a