You will be given a definition of a task first, then some input of the task.
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.

Question: In which of the following types of enzymatic inhibition does the value of Vmax not decrease? 
 Options:  <0> Competitive <1> Not competitive <2> Acompetitive <3> Mixed <4> It decreases in all of them.
Output:
chemistry