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.
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Question: Question: What type of amino acid side chains will compete with saline ions for solvation water ?:
Options: <0> Apolares. <1> Aliphatic <2> Aromatic <3> Polar <4> Without charge.

Answer: chemistry

Question: Question: A positive coagulase test is typical of:
Options: <0> Staphylococcus aureus. <1> Staphylococcus epidermidis. <2> Haemophilus influenzae. <3> Neisseria meningitidis. <4> Escherichia coli

Answer: biology

Question: Question: Which of the following answers is true about the HLA molecules?
Options: <0> They are very polymorphic nuclear proteins. <1> They are divided into molecules of class IgG, IgA and IgM. <2> They join peptides and present them on the cell surface. <3> They interact with cytokines to modulate the immune response. <4> They are monomorphic.

Answer:
medicine