20338
Fluorescence kinetics and quantum yields are measured for the polymers in liquid solutions , pristine films , and solid PMMA blends .
 Chemical: PMMA
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: PMMA 
Answer:
 Chemical: PMMA