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: Tom was a professional photographer. Sentence 2: Tom wanted a picture of a lion. Sentence 3: Tom went to Africa. Sentence 4: Tom saw a lion. Sentence 5: Tom took a picture of a wild lion. Choices: a. Pretty Nails. b. Lion.

b