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

A: biology
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Q: Question: Crohn's disease is an inflammatory process that is characterized by:
Options: <0> It affects the superficial mucosa of the colon. <1> It usually occurs with rectal bleeding. <2> The affectation is uniform, producing continuous injuries. <3> The colectomy cures the disease. <4> It affects any stretch of the gastrointestinal tract.

A: nursery
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Q: Question: What is the mechanism of action of the immunosuppressant drug everolimus ?:
Options: <0> Inhibition of the activation of lymphocytes as membrane receptors. <1> Inhibition of the transmission of the activation signals. <2> Inhibition of nucleotide synthesis. <3> Inhibition of lymphocyte migration. <4> Inhibition of proliferation signals.

A:
pharmacology
****