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 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.
Title: Close Friends. Sentence 1: I once had a really close friend that I went to school with. Sentence 2: We always looked out for each other. Sentence 3: One day he moved off to school. Sentence 4: I was sad that we would not see each other. Choices: a. He took a swing at the groom and fell to the floor. b. Fortunately, I was able to buy a phone so we could talk everyday.
A:
b