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.

[EX Q]: Question: Which of the following statements is true with respect to the alkaloid morphine ?:
Options: <0> It is an isoquinoline alkaloid extracted from straw of Papaver somniferum. <1> It is a benzylisoquinol alkaloid extracted from latex of Papaver somniferum. <2> It is a tracheal alkaloid extracted from leaves of Papaver somniferum. <3> It is a quinolizidine alkaloid extracted from capsules of Papaver somniferum. <4> It is a pyrrolidinic alkaloid extracted from roots of Papaver somniferum.
[EX A]: pharmacology

[EX Q]: Question: The sensitivity of a diagnostic test is related to:
Options: <0> Its ability to discriminate true positives. <1> Its ability to discriminate true negatives. <2> Its ability to discriminate against false positives. <3> Its ability to discriminate against false negatives. <4> The high cut point.
[EX A]: psychology

[EX 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.
[EX A]:
medicine