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: 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.
[A]: chemistry


[Q]: Question: In a hospitalization unit, 15% of elderly people with dementia enter the year, most of them in very advanced stages. Pain is a frequent symptom in this type of patients. Point out the correct answer in patients with very advanced dementia: 
 Options:  <0> Untreated pain may manifest by agitation. <1> The Analog Visual Scale is the most appropriate for the assessment of pain due to its simplicity. <2> One-dimensional subjective scales are those recommended by experts to assess pain. <3> There are no specifically available scales designed to assess pain. <4> The administration of opioids for pain control is discouraged.
[A]: nursery


[Q]: Question: Infant of 1 month of life who goes to the hospital emergency department referred by his pediatrician for jaundice. He has been referring for 10 days and has been increasing. In the blood test, a total bilirubin of 7 mg / dl stands out, with indirect bilirubin being 1.5 mg / dl. The most likely cause, among the following, of this jaundice is: 
 Options:  <0> Biliary tract atresia <1> Jaundice due to breastfeeding. <2> Isoimmunization 0-A late onset. <3> Gilbert's disease. <4> Hereditary spherocytosis.
[A]:
medicine