Detailed Instructions: 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.
Q: Title: Baby Bird. Sentence 1: While walking in his backyard, little Finn found a baby bird. Sentence 2: It was chirping on the ground. Sentence 3: Finn ran to get his mom. Sentence 4: His mom grabbed a ladder to put the baby bird back in it's nest. Choices: a. Finn was glad he found the bird. b. It starts and after 2 hours we have ice cream.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
a