instruction:
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:
Question: Within the main phases of extrusion and spheronization we have: 
 Options:  <0> Dry mix, wet kneading and compaction. <1> Wet kneading, compaction and drying. <2> Wet mixing, compaction, and drying. <3> Wet kneading, drying and sieving. <4> Kneading dry, drying and sieving.
answer:
pharmacology


question:
Question: Thiamine pyrophosphate (PPT) is not coenzyme of: 
 Options:  <0> Pyruvate dehydrogenase (synthesis of acetyl CoA). <1> Alpha-ketoglutarate dehydrogenase (citric acid cycle). <2> Transketolase (pentose phosphate pathway). <3> Transaldolase (pentose phosphate route). <4> Pyruvate decarboxylase (ethanolic fermentation).
answer:
pharmacology


question:
Question: The enzyme succinate dehydrogenase catalyses the dehydrogenation reaction dependent on: 
 Options:  <0> NADPH. <1> FMN <2> NAD +. <3> FAD. <4> CoA.
answer:

chemistry