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: The sequencing of an oligosaccharide is done by:
Options: <0> Degradation Edman. <1> Chromatography Whatman. <2> Patch-Clamp. <3> Mass spectrometry. <4> Capillary electrophoresis.
Example Output: pharmacology

Example Input: Question: Indicate which of the following compounds has antioxidant action:
Options: <0> Vitamin B. <1> Vitamin D. <2> Vitamin E. <3> All the previous ones <4> None of the above.
Example Output: chemistry

Example Input: Question: The extraction technique that is used for gas chromatographic determinations in which the analyte is desorbed or thermally desorbed is called:
Options: <0> Liquid-liquid extraction. <1> Extraction in solid phase. <2> Microextraction in solid phase. <3> Subextraction in solid phase. <4> Crystallization.
Example Output:
pharmacology