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: Anna was hiking with her family. Sentence 2: Suddenly she tripped on a tree root. Sentence 3: She fell into a patch of poison ivy! Sentence 4: Anna was miserable as she suffered from the plant's effects. Sentence 5: Her family felt very badly for her. Choices: a. Sting. b. Fall.

b