3832
PPA , 75 mg alone , increased blood pressure ( 31 + / - 14 mm Hg systolic , 20 + / - 5 mm Hg diastolic ) , and propranolol pretreatment antagonized this increase ( 12 + / - 10 mm Hg systolic , 10 + / - 7 mm Hg diastolic ) .
 Chemical: PPA; Chemical: propranolol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: PPA; Chemical: propranolol