Q: 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: Victory. Sentence 1: Tom always slacked off during running practice. Sentence 2: Since Tom slacked off in practice he came in last in the race. Sentence 3: He then decided to practice harder than before. Sentence 4: His speed and stamina improved over time. Choices: a. In the next race he won 1st place. b. Everyone had a fun night.
A:
b