21199
Polyallylamine functionalized palladium icosahedra : one - pot water - based synthesis and their superior electrocatalytic activity and ethanol tolerant ability in alkaline media .
 Chemical: Polyallylamine; Chemical: palladium icosahedra; Chemical: ethanol
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: Polyallylamine, palladium icosahedra, ethanol 
Answer:
 Chemical: Polyallylamine; Chemical: palladium icosahedra; Chemical: ethanol