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 what type of hearing loss is the phenomenon of recruitment or recruitment characteristic? 
 Options:  <0> Transmission hearing loss. <1> Mixed hearing loss. <2> Central hearing loss. <3> Retrocochlear hearing loss. <4> Cochlear hearing loss.
[A]: medicine


[Q]: Question: Enterobacteriaceae are bacteria: 
 Options:  <0> Able to breathe and ferment. <1> Cytochrome C oxidase positive. <2> Mobiles with polar flagellation. <3> Lacking lipopolysaccharide. <4> Always associated with the intestine of mammals.
[A]: biology


[Q]: Question: The proportion of environmental variance due to the influences that a person receives from their family environment and that are shared by the rest of their family: 
 Options:  <0> It is the specific variance. <1> It is called genotypic variance. <2> It matches the heritability. <3> It is dismissed in the investigations. <4> It is the variance coming from the shared environment.
[A]:
psychology