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: The concept of latent scheme in the cognitive theory of depression by Aaron Beck means that they are cognitive schemes: 
 Options:  <0> Of which the individual is not aware. <1> That directly influence the mood in a continuous but subtle way. <2> They are not permanently activated in vulnerable individuals and are activated only in the face of specific stressors. <3> They are active permanently but with an intensity that increases in each relapse or recurrence. <4> That do not require mental effort for its activation.
[EX A]: psychology

[EX Q]: Question: The following may occur in multimeric form associated with the J chain: 
 Options:  <0> IgA and IgG. <1> IgD and IgM, <2> IdE and IgD. <3> IgA and IgD. <4> IgA and IgM.
[EX A]: biology

[EX Q]: Question: Steric stabilization in dispersed systems is: 
 Options:  <0> More effective in aqueous dispersions. <1> More effective with volume fractions of small particles. <2> Effective in aqueous and non-aqueous dispersions. <3> Coagulates by adding electrolytes. <4> Susceptible to reversible coagulation.
[EX A]:
pharmacology