instruction:
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:
Question: The minimum amount of auditory stimulation needed to begin to identify the lyrics of a song is a threshold: 
 Options:  <0> Absolute. <1> Subliminal. <2> Differential. <3> Relative. <4> Musical.
answer:
psychology


question:
Question: When comparing the characteristics of pragmatic or confirmatory clinical studies with explanatory or exploratory clinical studies, which of the following is an advantage of the former? 
 Options:  <0> Information about subgroups of patients representative of the usual clinical practice. <1> Very homogeneous sample, with little variability. <2> Greater capacity to detect differences in the effectiveness of interventions. <3> Greater internal validity <4> Smaller sample size
answer:
medicine


question:
Question: The state characterized by a total absence of consciousness, muscle laxity, absence of response to painful stimuli and posterior lacunar amnesia, is called: 
 Options:  <0> Drowsiness. <1> Mental absence <2> Stupor. <3> Coma. <4> Obnubilation.
answer:

psychology