Task: Text Categorization
Input (English): Question: In the alcaptonuria the defective enzyme can be: 
 Options:  <0> Dihydrobiopterin reductase. <1> Tyrosine aminotransferase. <2> p-hydroxyphenylpyruvate dioxygenase. <3> Homogentisic 1,2-dioxygenase. <4> Fumarilacetoacetasa.
Output (English): chemistry