Given the task definition and input, reply with output. 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'.

Sentence 1: Karyn had a fever. Sentence 2: Karyn's mom tried to give her medicine. Sentence 3: The medicine didn't taste good. Sentence 4: Karyn's mom put the medicine in some sugar. Sentence 5: Karyn swallowed the medicine and sugar and felt better. Choices: a. A Spoonful of Sugar. b. Special Keyboard.
a