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 does not connect with the rest of the story, indicating your choice as 'a' or 'b'. If both sentences are plausible, pick the one that makes less sense.

Input: Consider Input: Title: Lucky Pizza. Sentence 1: Ruth was at the bar after her game the other night. Sentence 2: Usually, there is free pizza set out for the teams. Sentence 3: However, this time all of the boxes were empty! Sentence 4: Ruth started contemplating going somewhere else for food. Choices: a. At the last second, they brought out more pizza! b. Ted quickly discovered that his headaches went away.

Output: b

Input: Consider Input: Title: Piano Struggle. Sentence 1: Leo was trying to learn a piano piece he liked. Sentence 2: But it was too advanced for him. Sentence 3: Nevertheless, he practiced it everyday for weeks. Sentence 4: But when his piano teacher heard, he suggested practicing the basics. Choices: a. The other driver's insurance paid for the damage. b. After practicing easier pieces for months, everything became easier.

Output: a

Input: Consider Input: Title: Starstruck. Sentence 1: Shelly was excited to see her favorite band in concert. Sentence 2: She was chosen to meet the band backstage. Sentence 3: Shelly got in line to meet the lead singer. Sentence 4: It was Shelly's turn to talk to the man. Choices: a. There was Chinese writing on her belly. b. She was so nervous that she couldn't speak!
Output: a