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: Nick and Pat met when they were 7 years old. Sentence 2: They lived across the street from one another when they were children. Sentence 3: They went to the same schools and always hung out together. Sentence 4: When they became adults Nick moved away but they still kept in touch. Sentence 5: They are now 53 years old and they are still the closest of friends. Choices: a. Successful business at 23. b. Childhood friends forever.

b