Task: Text Categorization
Input (English): Question: The deoxyribonucleotides are synthesized: 
 Options:  <0> From the ribonucleotide triphosphate. <1> From the ribonucleotides diphosphate. <2> From NADPH. <3> By oxidation of ribonucleotides. <4> For DNA polymerase III.
Output (English): chemistry