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: The new Tv. Sentence 1: Greg was looking to buy a new TV. Sentence 2: He couldn't make up his mind if he wanted 1080p or 4k. Sentence 3: Greg was shown the differences in the two sets. Sentence 4: Greg was blown away by the clarity of 4k. Choices: a. Greg purchased his brand new 4k TV. b. She thought the meteor shower was breathtaking.
a