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: Matt had a water bottle in his backpack. Sentence 2: And he thought it was tightly secured. Sentence 3: But when he had to turn in his homework, it was soaked. Sentence 4: And he realized the rest of his backpack was wet too. Sentence 5: Matt always carried water bottles in a separate container afterwards. Choices: a. Homemade Bread. b. Wet Homework.

b