Task: Text Categorization
Input (English): Question: A tablet with gastrosoluble film cover is being designed. Which of the following excipients exerts the function of plasticizer in said cover ?: 
 Options:  <0> Hydroxypropylmethylcellulose. <1> Methylcellulose <2> Copolymer of methacrylic acid (Eudragit® E30D (A)) <3> Polyethylene glycol <4> Titanium oxide.
Output (English): pharmacology