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: Patient with polyuria and polydipsia with a specific urine density greater than 1.040. From the following options indicate the most probable diagnosis: 
 Options:  <0> Alcohol intoxication <1> Suppression of ADH (vasopressin) by barbiturates. <2> Mellitus diabetes. <3> Lithium toxicity that causes diabetes insipidus. <4> Central deficit of ADH (vasopressin).
Example Output: pharmacology

Example Input: Question: The Grignard reagents attack the epoxides to give, after the appropriate hydrolysis: 
 Options:  <0> Carboxylic acids. <1> Cyclic amides. <2> Open aliphatic chains. <3> Open-chain alcohols. <4> Cyclic ethers.
Example Output: pharmacology

Example Input: Question: Which of the following statements is true with respect to dyspareunia? 
 Options:  <0> This disorder only affects women. <1> The essential feature is the involuntary contraction of the perineal muscles of the external third of the vagina, against the introduction of the penis, fingers, tampons, or speculums. <2> This disorder appears throughout life, can not be acquired. <3> This disorder consists of genital pain during intercourse, although it may appear before or after intercourse. <4> This alteration does not cause discomfort in interpersonal relationships.
Example Output:
psychology