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: The gorilla swung through the trees. Sentence 2: This showed his dominance. Sentence 3: The females were impressed. Sentence 4: He found many mates. Sentence 5: He had many children. Choices: a. Children. b. Hospital Stay.

a