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: In the presence of a patient with suspected blistering pemphigoid, which of the following tests should we perform to confirm the diagnosis? 
 Options:  <0> Dermatoscopy. <1> Cultivation of the contents of a blister. <2> Skin biopsy for culture. <3> Skin biopsy for histological study and direct immunofluorescence. <4> Analytical with determination of antinuclear and anti DNA antibodies.

A: medicine
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Q: Question: The reaction conditions for transforming nonanamide into octanamine and carbon dioxide are: 
 Options:  <0> H2, metallic catalyst. <1> Excess of CH3I, K2 CO3. <2> Cl2, NaOH, H2O. <3> LiAlH4, diethyl ether and then hydrolysis. <4> CH2N2, diethyl ether.

A: chemistry
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Q: Question: The program of Deblinger and Heflin (1996) for the treatment of minors who have suffered sexual abuse is based on different modules, among which is: 
 Options:  <0> The training in coping skills. <1> Active avoidance of aversive situations. <2> Flood. <3> Avoidance of stereotyped behaviors. <4> Overcorrection

A:
psychology
****