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.
Input: Title: Ice Cream Dilemma. Sentence 1: We heard the ice cream truck and went running outside. Sentence 2: Me and my buddies all got our ice cream. Sentence 3: Sitting on the sidewalk we notice a wallet. Sentence 4: We looked at the driver license and it was the ice cream driver. Choices: a. She lapped up the milk healthily. b. We chased him down the street and returned the wallet.
Output:
b