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: They are fragments of the cytoplasm of a precursor cell:
Options: <0> Lymphocytes <1> Megakaryocytes <2> Monocytes <3> Platelets. <4> Erythrocytes
biology

Question: The main virulence factor of Streptococcus pneumoniae is one (one):
Options: <0> Fimbria. <1> Capsule. <2> Scourge <3> Endotoxin <4> Adhesin
biology

Question: In the prevalence of bioethical principles, the principles of justice and nonmaleficence are framed in an ethics:
Options: <0> Of maximums. <1> Of minimums. <2> Deontological <3> Pluralistic. <4> Of excellence
nursery