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: What are the components of a functional heme group ?: 
 Options:  <0> Four molecules of bilirubin and one Fe3 +. <1> Four globins (2alpha + 2beta) and one Fe3 +. <2> One molecule of protoporphyrin and one Fe2 +. <3> One molecule of bilirubin and one Fe2 +. <4> Four globins (2alpha + 2beta) and one Fe2 +.
[EX A]: pharmacology

[EX Q]: Question: In the Type II error: 
 Options:  <0> The alternative hypothesis is not rejected being true. <1> The null hypothesis is not rejected as false. <2> The null hypothesis is not rejected, I feel certain. <3> The null hypothesis is rejected being true. <4> The alternative hypothesis is accepted as false.
[EX A]: psychology

[EX Q]: Question: What does the amperometric detector measure in high performance liquid chromatography (HPLC)? 
 Options:  <0> Potential difference. <1> Electric conductivity. <2> Thermal conductivity. <3> Electric resistance. <4> Intensity of electric current.
[EX A]:
pharmacology