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: Snow Day. Sentence 1: Little Shravan took his dog to play outside. Sentence 2: It had been snowing for two days. Sentence 3: Shravan and his dog rolled around the snow. Sentence 4: They ran until they couldn't run any more. Choices: a. Shravan and his dog went inside to take a nap. b. He and Jack became best friends.
A:
b