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: John loved nature. Sentence 2: He was reflecting on his experiences. Sentence 3: He realized he had never seen a sunrise in his new city. Sentence 4: He decided to wake up early one morning to watch it. Sentence 5: He enjoyed the beautiful sunrise. Choices: a. New shirt. b. Sunrise.

b