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: What do you usually associate with the cataplexy characteristic of narcolepsy?
Options: <0> With sleep paralysis. <1> With intense emotions. <2> With hypnagogic and hypnopompic hallucinations. <3> With daytime sleepiness. <4> With irregular schedules.
Output:
psychology