Task: Text Categorization
Input (English): Question: Sulfamethoxazole is microencapsulated by complex coacervation using: 
 Options:  <0> Gelatin and gum arabic. <1> Albumin and gum arabic. <2> Gelatine and sodium alginate. <3> Pectin and gelatin. <4> Gum arabic and pectin.
Output (English): pharmacology