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: The praying mantis waited patiently for it's prey. Sentence 2: The mantis was very still and perfectly camouflaged. Sentence 3: It waited and waited for days and days. Sentence 4: Eventually a fly landed right in front of it. Sentence 5: It lunged and snapped up the fly and slowly ate it up. Choices: a. Mantis. b. message.

a