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: Which compound acts as a sulfhydryl buffer and as an antioxidant? 
 Options:  <0> Glycogen <1> Glutamic acid. <2> Glucagon. <3> Glutathione <4> Ascorbic acid.
[A]: chemistry


[Q]: Question: In a Gram positive pathogen involved in pharyngitis and rheumatic fever: 
 Options:  <0> Staphylococcus aureus. <1> Micrococcus luteus. <2> Moraxella catarrhalis. <3> Haemophilus influenzae. <4> Streptococcus pyogenes.
[A]: biology


[Q]: Question: Which of the following antifungals is used in the treatment of invasive aspergillosis and severe candidiasis including Candida krusei and Candida glabrata ?: 
 Options:  <0> Voriconazole <1> Miconazole <2> Ketoconazole <3> Fluconazole <4> 1 and 3 are correct.
[A]:
pharmacology