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: A parameter of great importance in chromatography is the equivalent height of theoretical plate (H). The van Deemter equation describes the behavior of a filler column for gas-liquid chromatography, where H = A + (B / u) + Cu, so that: 
 Options:  <0> C is the parameter that is taken as a measure of the quality of the filling of the column. <1> A is the coefficient that collects the contribution of longitudinal diffusion. <2> B is the parameter that is related to the resistance to the transfer of matter that opposes the stationary phase. <3> u is the linear velocity of the mobile phase. <4> B is canceled in columns without filling.

Answer: chemistry


Question: Question: What type of mechanism does Gestalt propose as an explanatory mechanism for solving a problem ?: 
 Options:  <0> The trial and error. <1> The search for operations in the problem space. <2> The algorithmic methods. <3> The huerísticos methods. <4> The insight.

Answer: psychology


Question: Question: Question linked to the image nº6 A friend of his 37 years shows him the photograph of his own right hand that is shown in the image A. He had made a cold day in November and tells him that after a few minutes regained its normal color With a magnifying magnifying glass, look at the B image in the nail bed. What is the most likely diagnosis? 
 Options:  <0> Systemic sclerosis <1> Acrocyanosis <2> Livedo reticularis. <3> Raynaud's disease. <4> Cold agglutinin disease.

Answer:
medicine