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 wanted to see his friend. Sentence 2: His friend did not have transportation. Sentence 3: His friend asked Tom to pick him up. Sentence 4: Tom obliged. Sentence 5: Tom picked up his friend. Choices: a. Friend. b. Amelie.

a