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: Lucas was at the zoo petting a baby goat. Sentence 2: He didn't look behind him. Sentence 3: Suddenly something hit him hard on the butt. Sentence 4: It was the mother goat and she looked angry. Sentence 5: Lucas wasn't frightened and head butted her just as she had done. Choices: a. A Woman's Dream. b. Head Butt.

b