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: Best and Worst Day. Sentence 1: When I was 9 years old I had what I thought was the best day ever. Sentence 2: My soccer team won the final game of the season leaving us undefeated. Sentence 3: We went out for pizza and ice cream to celebrate. Sentence 4: When I got home I found out that my brother had died during my game. Choices: a. With the neighbor's help, he rescued the kitten and brought it home. b. I then realized it was actually the worst day ever.
Output:
b