25587
The wet masses of 120 formulae were prepared taking microcrystalline celluloses as pelletization aid and lactose , hydroxypropyl methylcellulose grades , herbal medicines as model drugs .
 Chemical: lactose; Chemical: hydroxypropyl
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: lactose; Chemical: hydroxypropyl