Task: Text Categorization
Input (English): Question: Which of these vitamins are isoprenoid compounds? 
 Options:  <0> Vitamins A, B2, C and D. <1> Vitamins A, B2 and Folic acid. <2> Vitamins A, K and biotin. <3> Vitamins D, E and C. <4> Vitamins A, D, E and K.
Output (English): chemistry