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: Hiking. Sentence 1: Eric was planning to go solo hiking today. Sentence 2: He packed snacks and a lot of water the night before. Sentence 3: In the morning he headed out very early because the drive was long. Sentence 4: He gets there and there was already a ton of people. Choices: a. He ends up meeting a friend there and they hike together. b. I filled it up before I returned it so it would not happen to her too.
a

Title: Accident. Sentence 1: George just got out of a party. Sentence 2: He was driving and suddenly he got hit. Sentence 3: Another car hit into his. Sentence 4: The cops came by. Choices: a. They danced a bit and headed home. b. They took the insurance.
b

Title: The Waterfall. Sentence 1: The kayakers had been out all day. Sentence 2: They approached a huge waterfall. Sentence 3: They hadn't realized it was on their path! Sentence 4: They paddled to shore as quickly as they could. Choices: a. She passed out during the meeting. b. They made it just in time!
b