21644
As expected , the Tp of PU - Am and PU - Su changed when the pH of the solution was changed .
 Chemical: PU - Am; Chemical: PU - Su
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: PU - Am, PU - Su 
Answer:
 Chemical: PU - Am; Chemical: PU - Su