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 goblet cells belong to the tissue: 
 Options:  <0> Epithelial. <1> Conjunctive. <2> Cartilaginous. <3> Osseous. <4> Adipose.
[EX A]: biology

[EX Q]: Question: The CD40 ligand molecule (CD40L or CD154) is expressed in: 
 Options:  <0> Virgin T lymphocytes. <1> Activated T lymphocytes <2> NK lymphocytes. <3> Virgin B lymphocytes. <4> B activated lymphocytes.
[EX A]:
pharmacology