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.

Q: Question: For the analysis of traces of inorganic constituents, in samples of organic nature, a preliminary treatment of the sample is needed, which normally consists of:
Options: <0> Dissolve the sample in cold water. <1> Dissolve the sample in hot water. <2> Dissolve the sample between 30 and 70 C. <3> Heat the sample between 400 and 700 C. <4> Heat the sample in 0.1 M hydrochloric acid.

A: chemistry
****
Q: Question: Sumatriptan is a first generation anti-migrant triptan, structurally characterized by having a heterocycle:
Options: <0> Imidazoic <1> Piperidinic <2> Indic. <3> Pirrolico. <4> Oxazolic.

A: pharmacology
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Q: Question: The degenerative neurological disorder that occurs as a result of degeneration and loss of nigrostriatal dopaminergic neurons is called:
Options: <0> Phenylketonuria <1> Transmissible spongiform encephalopathy or TSE. <2> Multiple sclerosis. <3> Huntington's disease <4> Parkinson's disease

A:
psychology
****