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: Robert was wanting to sponsor a child. Sentence 2: He watched a video about a child who couldn't walk. Sentence 3: He lived in Myanmar and longed to play soccer with the other children. Sentence 4: Robert sponsored the child for years. Sentence 5: Years later, he got to met the boy who was now grown. Choices: a. Sponsor. b. Maths test.

a