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: Tim was watching the night sky. Sentence 2: He loved using his telescope. Sentence 3: A small anomaly caught his eye. Sentence 4: Tim checked it and realized it was something new. Sentence 5: Tim was excited about his new discovery. Choices: a. Learning French. b. New Object.

b