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: Consider Input: Question: In strict vegetarians, a lack of one of the following vitamins may appear:
Options: <0> B12 vitamin. <1> Vitamin C. <2> Retinol <3> Folate <4> Niacin

Output: nursery

Input: Consider Input: Question: When comparing the characteristics of pragmatic or confirmatory clinical studies with explanatory or exploratory clinical studies, which of the following is an advantage of the former?
Options: <0> Information about subgroups of patients representative of the usual clinical practice. <1> Very homogeneous sample, with little variability. <2> Greater capacity to detect differences in the effectiveness of interventions. <3> Greater internal validity <4> Smaller sample size

Output: medicine

Input: Consider Input: Question: Naloxone is used in the treatment of poisoning with:
Options: <0> Opiates <1> Benzodiazepines. <2> Barbiturates <3> Tricyclic antidepressants. <4> Digitalicos.
Output: pharmacology