Instructions: In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
Input: Question: The symptoms of excessive daytime sleepiness, cataplexy, sleep paralysis and hypnagogic hallucinations describe:
Options: <0> Simple schizophrenia <1> Refractory insomnia. <2> Narcolepsy <3> The conversion disorder. <4> Cryptoamnesia
Output:
psychology