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
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: PU - Am; Chemical: PU - Su