Given the task definition and input, reply with output. 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'.

Sentence 1: Adam got a summer job pitching hay. Sentence 2: He enjoyed working with horses and being outdoors. Sentence 3: But when he got home, his hands were very painful. Sentence 4: He had not known how to rough hay would cut them! Sentence 5: He decided to wear gloves from now on. Choices: a. Hay. b. Running with Chelsea.
a