Task: Text Categorization
Input (English): Question: The maturation process for the dendritic cell involves important changes in its physiology, such as: 
 Options:  <0> Decreased expression of the CCR7 marker. <1> Reduction of endocytic capacity. <2> Decreased expression of histocompatibility molecules. <3> Synthesis of IL-13. <4> Reduction of CD40 expression.
Output (English): pharmacology