Definition: In this task, you're given five sentences, numbered 1 through 5, and two options a and b for possible titles for the story. Your job is to choose the title that better fits the story. Indicate your choice by 'a' or 'b'.
Input: Sentence 1: Christmas was Tyler's favorite holiday. Sentence 2: On Christmas morning he ran downstairs to the tree. Sentence 3: Tyler saw so many presents and could not wait to open them. Sentence 4: By the time his parents woke up, Tyler had opened all his presents! Sentence 5: Tyler showed his parents everything Santa Claus gave him. Choices: a. Wendy loses her cool. b. Christmas Day.

b