14527
The minicollagens described here provide an unexpected alternative to the widely used precipitation conditions , which generally depend on ( poly - ) amines in phosphate buffer .
 Chemical: ( poly - ) amines; Chemical: phosphate
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: ( poly - ) amines, phosphate 
Answer:
 Chemical: ( poly - ) amines; Chemical: phosphate