Definition: In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.
Input: Question: The fermentation of glucose used by Escherichia coli is: 
 Options:  <1> Lactic <2> Propionic <3> Alcoholic <4> Butyric <5> Acid-mixed.
