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.

Input: Consider Input: Title: Lost Dog. Sentence 1: Karyn's kids came home with a dog. Sentence 2: She told them they couldn't keep the dog. Sentence 3: They decided to see if anyone on social media recognized the dog. Sentence 4: The dog's owner saw the notice on social media. Choices: a. They were excited to become good guitar players. b. The dog's owner picked up the lost dog.

Output: b

Input: Consider Input: Title: The Lice. Sentence 1: All the kids at school were itching. Sentence 2: There was lice going around! Sentence 3: They all scratched at their heads. Sentence 4: Their mom's frantic to fix the situation. Choices: a. They washed every blanket and sheet they had. b. It was amazing to be so high up!

Output: a

Input: Consider Input: Title: Toad. Sentence 1: Anna found a big toad in the road outside her house. Sentence 2: She carried it inside and asked her mom to keep it. Sentence 3: But her mom explained that the toad would be happier outside. Sentence 4: Anna thought it over and decided her mom was right. Choices: a. She went back outside and let the toad hop away, free. b. She happily chatted for an hour.
Output: a