Task: Text Categorization
Input (English): 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).
Output (English): pharmacology