29184
The X - ray scattering experiments indicate a change in liquid structure during supercooling around a composition 20 % Y2O3 ( AlY20 ) that occurs over a narrow temperature interval .
 Chemical: Y2O3; Chemical: AlY20
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: Y2O3, AlY20 
Answer:
 Chemical: Y2O3; Chemical: AlY20