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: Michelle decides to skip some rocks at the pond. Sentence 2: She is impressed by how far they skip. Sentence 3: Some of the rocks go halfway across the pond. Sentence 4: Later on she goes back home. Sentence 5: Michelle is happy the went to the pond to skip rocks. Choices: a. John Eats Peanuts. b. Michelle Skips Rocks.
Output:
b