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: Isopropyl alcohol is prepared from petroleum by hydration of:
Options: <0> Isobutene <1> Eteno <2> Penteno <3> Buteno. <4> Propene

A: chemistry
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Q: Question: Pseudomonas aeruginosa is:
Options: <0> Able to ferment a large variety of sugars. <1> Often resistant to many antibiotics for medical use. <2> Responsible for toxi-alimentary infections. <3> Part of the normal microbiota of the skin. <4> A commensal bacterium of the digestive tract.

A: biology
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Q: Question: The antiviral tamiflu that is used against the bird flu virus acts:
Options: <0> Inhibiting viral neuraminidase. <1> Inactivating the viral protease responsible for the processing of capsomere precursors. <2> Preventing the decapsidation of viral particles. <3> Blocking the interaction of viral particles with their cellular receptor. <4> Altering the activity of the viral DNA polymerase.

A:
biology
****