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: Eric developed schizophrenia 10 years ago when he was 18 years old. Sentence 2: The Doctors prescribed him medicines so he would stop hallucinating. Sentence 3: But Eric didn't like taking his medicine for various reasons. Sentence 4: His main reason what that he enjoyed the hallucinations. Sentence 5: To present date he's still hallucinating and not taking medications. Choices: a. Hallucinations. b. Ponycat.
a