You will be given a definition of a task first, then some input of the task.
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.

Title: Best Bowler. Sentence 1: Gary was very competitive, especially when it involved bowling. Sentence 2: Gary's friend's recently challenged him to a friendly game. Sentence 3: Gary came prepared with his lucky bowling ball and gloves. Sentence 4: However, Gary was shocked at how well his friends were doing. Choices: a. He was determined to be a good musician! b. Gary was upset that he lost his first bowling match ever!
Output:
a