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: The reactions in which the kinetics does not depend on the nucleophilic concentration, are reactions: 
 Options:  <0> Radicals <1> SN1. <2> Pericyclic. <3> SN2. <4> None of the above.
chemistry

Question: Which of these statements is FALSE regarding stupor? 
 Options:  <0> It is an alteration of consciousness. <1> It can occur in melancholy. <2> It supposes a reversible state by moderate stimuli. <3> The term is used in states of mutism and reduction of motor activity. <4> In Neurology it is a state that precedes coma.
medicine

Question: Tics can be associated with altered behaviors that arise at a certain time. When the symptoms appear between 35 and 45 years, according to Shapiro's classification, to what tic we refer? 
 Options:  <0> Simple acute tic. <1> Chronic simple tic. <2> Huntington's Korea. <3> Chronic multiple tic. <4> Multiple tic of the adult.

psychology