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: Shelly's aunt had sent her a nice package. Sentence 2: Inside the box was a ton of packing styrofoam. Sentence 3: When Shelly wasn't looking her children dug into the box. Sentence 4: Soon there were bits of styrofoam all over the place. Sentence 5: It took Shelly weeks to clean and still little pieces were left. Choices: a. Dad's New Beau. b. Styrofoam.

b