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: One of the following types of transport through membranes does NOT exist:
Options: <0> Ion transport facilitated by ionophore (against electrochemical gradient). <1> Facilitated diffusion (in favor of electrochemical gradient) <2> Primary active transport (against electrochemical gradient). <3> Ionic channel (in favor of electrochemical gradient). <4> Simple diffusion (in favor of concentration gradient).
[A]: pharmacology

[Q]: Question: Raile and Marriner in their studies on the theoretical works in nursing, review different aspects among which are those referred to semantics and structure. This analysis of the concrete theoretical framework refers to:
Options: <0> The simplicity <1> The generality <2> The empirical precision. <3> The deductible consequences. <4> The clarity.
[A]: nursery

[Q]: Question: We take sample of five individuals to whom we measure the LDL cholesterol value (mg / ml) obtaining: 180, 203, 104, 90 and 165. What is the median of this sample ?:
Options: <0> 180 <1> 203 <2> 104 <3> 90 <4> 165
[A]:
pharmacology