29587
The results indicated ( 1 ) that the objective function is more sensitive to design flow rate ( Q ) , ( 2 ) the variations in the alum dosage ( A ) , and ( 3 ) the sand filter head loss ( H ) .
 Chemical: alum
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: alum 
Answer:
 Chemical: alum