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.

Example Input: Title: Texting my friends. Sentence 1: I texted my friends way too much last month. Sentence 2: I completely lost track of my texts and sent way too many. Sentence 3: My parents got very mad at me for doing that. Sentence 4: Next month they are going to keep track of my texting. Choices: a. I really need to pay better attention of my available texts. b. Gregory made a lot of friends at his new school.
Example Output: a

Example 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.
Example Output: a

Example Input: Title: Manly. Sentence 1: John decided he wanted to be more manly. Sentence 2: John asked around about buying a motorcycle. Sentence 3: John checked out a Harley Davidson dealership. Sentence 4: John couldn't believe the prices on the bikes. Choices: a. Jenny picked up a burger. b. He decided he'd be more manly by just growing a cool beard.
Example Output:
b