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.

Question: What are the components of the habit inversion procedure for the treatment of tics? 
 Options:  <0> The self-registration of tics and relaxation. <1> Self-control and contingency management by parents. <2> Exposure with response prevention and cognitive restructuring. <3> The training in increasing awareness of the occurrence of tics and the practice of a competitive response. <4> Relaxation and the practice of a competitive response.
psychology

Question: Ribosomes have three binding sites for the transfer RNAs (RNAs), which are: 
 Options:  <0> Site A of acetyl, P of propyl and E of ethyl. <1> A site of aminoacyl, P of peptidyl and E of exit (from English, exit). <2> A site of aminoacyl, peptidyl P and transferase T of the peptide. <3> Site A of previous, P of posterior and E of entry (of English, entry). <4> A site of aminoacyl, peptidyl P and terminating T.
pharmacology

Question: The system in T: 
 Options:  <0> It is present in all muscle cells without exception. <1> It is part of the sarcoplasmic reticulum. <2> It has an ATPase activated by Ca2 +. <3> It is a tubular invagination of the plasma membrane. <4> Releases Ca2 + to the cytosol during recruitment.

biology