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: In the valuation of a strong base with a strong acid the pH of the equivalence point:
Options: <0> It depends on the strong base that is valued. <1> It is determined by the excess OH of the solution. <2> It depends on the strong acid used as a titrant. <3> It is determined by the dissociation of water. <4> It is determined by the excess H + of the solution.
[EX A]: chemistry

[EX 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.
[EX A]: psychology

[EX Q]: Question: How much drug has been eliminated when 3 elimination half-lives have elapsed if 100 mg of drug has been administered IV via bolus and is adjusted to a monocompartmental model with first-order elimination:
Options: <0> 87.5 mg. <1> 12.5 mg. <2> 75 mg. <3> 25 mg. <4> 50 mg.
[EX A]:
pharmacology