Definition: 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: Locked Out. Sentence 1: Jennifer went for a walk one day to the store. Sentence 2: When she arrived home, she searched her purse for her keys. Sentence 3: She realized she forgot them and she was locked out! Sentence 4: Thankfully she remembered she left a window unlocked. Choices: a. When Max realized he left his card, he turned around and returned. b. From that day on, she never forgot her keys again!
Output:
b