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.

Example Input: Question: What sign or symptom is NOT typical of Guillain-Barré syndrome? 
 Options:  <0> Facial paralysis. <1> Sphincter alteration. <2> Hiccup or tendinous tendon reflex. <3> Muscular weakness. <4> Dysautonomia
Example Output: medicine

Example Input: Question: Mrs. H. H. 69 years old complains that she does not sleep well. Regarding sleep in the elderly, it has been proven that: 
 Options:  <0> The non-pharmacological approach to insomnia has proved ineffective in this population. <1> The aging process is one of the main causes of insomnia. <2> They have a worse quality sleep, more fragmented and with early awakenings. <3> For the treatment of insomnia, the benzodiazepines of long half-life are those with the least side effect. <4> All hypnotics have the same side effects in the elderly.
Example Output: nursery

Example Input: Question: The main stimulus for secretion of secretin is the presence in the duodenum of: 
 Options:  <0> acid pH <1> Carbohydrates <2> Proteins <3> Hypoosmolar chimo. <4> Hyosmolar chyme.
Example Output:
biology