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: Tom was going to have some cereal. Sentence 2: He poured it out but it sounded funny. Sentence 3: Tom tasted a bit and realized it was stale. Sentence 4: There was a hole in the bag he hadn't noticed. Sentence 5: Tom threw it out and got a new box. Choices: a. Therapy. b. Stale Cereal.

b