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: Tim was trying to make ice. Sentence 2: He had to do it the old fashioned way with trays. Sentence 3: Tim's trays were old and breaking apart. Sentence 4: He got pieces of broken plastic everywhere. Sentence 5: Tim finally decided to invest in new trays. Choices: a. Driving Test. b. Poor Trays.

b