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: The epithelium of the epidermis is:
Options: <0> Stratified keratinized plane. <1> Stratified non-keratinized plane. <2> Simple keratinized cylindrical. <3> Keratinized stratified cylindrical. <4> Cubic stratified.

Answer: biology

Question: Question: Liquid chromatography using linked stationary phases can be divided into normal phase and reverse phase phases. In this context it can be said that:
Options: <0> The main separation mechanism in reverse phase is the distribution, while adsorption also plays a very important role in the normal phase. <1> In normal phase chromatography, a large number of non-polar stationary phases can be used. <2> The main separation mechanism in normal phase is the distribution, while the adsorption plays a very important role in the reverse phase. <3> In reverse phase chromatography, the stationary phase is polar and the non-polar eluents. <4> In reverse phase chromatography, a large number of polar stationary phases can be used.

Answer: chemistry

Question: Question: What is the most common course of somatization disorder (DSM-IV-TR)?
Options: <0> It is an acute disease. <1> It is a chronic disease that always remits completely. <2> It is a chronic and fluctuating disease that rarely remits completely. <3> It is very common for a year to pass and the individual suffering from this disorder no longer seek medical help for unexplained somatic symptoms. <4> It is not a fluctuating disease but it is not considered chronic.

Answer:
psychology