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.

[EX Q]: Question: Which of the following functions is not typical of the stomach? 
 Options:  <0> Food storage. <1> Protein digestion. <2> Secretion of intrinsic factor. <3> Secretion of hormones <4> Amylase secretion.
[EX A]: pharmacology

[EX Q]: 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.
[EX A]: chemistry

[EX Q]: Question: Tamoxifen: 
 Options:  <0> It is used for the treatment of type 2 diabetes. <1> It is an inhibitor of phosphoenolpyruvate carboxykinase. <2> It is a progesterone receptor agonist. <3> It is an estrogen receptor antagonist. <4> Decreases cellular sensitivity to insulin.
[EX A]:
pharmacology