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: When assessing the position held by the baby suckling, which of the following signs indicate that the position and grip of the baby is NOT correct? 
 Options:  <0> The chin touches the chest. <1> The mouth is very open. <2> Everted lips <3> Nose very close to the chest. <4> More areola visible above the mouth.

A: nursery
****
Q: Question: The mitochondrial genome: 
 Options:  <0> It is circular. <1> It is single-strand. <2> It encodes all mitochondrial proteins. <3> It is part of the nuclear DNA. <4> None of the above.

A: chemistry
****
Q: Question: Which of the following analytical determinations is less useful for decision making in the follow-up and control of an HIV-infected person? 
 Options:  <0> CD4 lymphocyte count in peripheral blood. <1> Quantification of immunoglobulin. <2> Measurement of viral load. <3> Studies of HIV resistance to antiretroviral drugs. <4> Analysis of the co-receptor tropism.

A:
medicine
****