Detailed Instructions: 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 fermentation of glucose used by Escherichia coli is:
Options: <0> Lactic <1> Propionic <2> Alcoholic <3> Butyric <4> Acid-mixed.
A:
biology