Definition: 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.
Input: Question: Transketolase catalyzes the transformation of ribose-5-phosphate and xylulose-5-phosphate into:
Options: <0> Two molecules of ribulose-5-phosphate. <1> Sedoheptulose-7-phosphate and glyceraldehyde-3-phosphate. <2> Fructose-6-phosphate and erythrose-4-phosphate. <3> Glyceraldehyde-3-phosphate and glucose-6-phosphate. <4> 6-Phosphogluconate and glyceraldehyde-3-phosphate.
Output:
chemistry