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: Volunteering Leads to Cat Adoptions. Sentence 1: Sara thought volunteering at the humane society would be rewarding. Sentence 2: Her husband joked that they would wind up adopting way too many cats. Sentence 3: Sara's husband was right. Sentence 4: They now have five cats, although they had agreed to only adopt two. Choices: a. Sara and her husband love the cats, though, and are glad to have them. b. It was exciting and scary for them to watch the storm quickly pass.
a