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: By means of the angular methods used to evaluate the flow properties of a powder, it is determined: 
 Options:  <0> The ease with which the solid sets in motion. <1> The angle of repose. <2> The flow velocity <3> The resistance to displacement. <4> The density of the powder.
[A]: pharmacology


[Q]: Question: In the history of the Psychological Evaluation, the Aristotelian Physiognomy makes its influence felt in the later works of the authors: 
 Options:  <0> Krestschmer and Sheldon. <1> Binet and Simon. <2> Discards <3> Juan Huarte from SAN. Juan. <4> Hermann Rorschach.
[A]: psychology


[Q]: Question: Vitamin K is the specific antagonist for: 
 Options:  <0> Oral anticoagulants <1> Insulin. <2> Paracetamol. <3> Heparin. <4> Opiates
[A]:
nursery