7220
In hydrated sPS , where the scale of water - polymer segregation is much smaller ( 1 - 2 nm ) , sarin also interacts favorably with hydrophobic and hydrophilic components .
 Chemical: hydrated sPS; Chemical: sarin
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: hydrated sPS, sarin 
Answer:
 Chemical: hydrated sPS; Chemical: sarin