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: Fred took his son out. Sentence 2: They went to the target practice. Sentence 3: Fred wanted him to learn how to shoot the birds. Sentence 4: Fred did very well. Sentence 5: He was happy about that. Choices: a. Dissatisfied customer. b. Target practice.

b