27743
Passivhaus building codes , in particular , bring unusually good interior air quality , because the buildings change the air several times per hour , passing it through a heat exchanger to keep heat inside .
 organization: Passivhaus
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Passivhaus 
Answer:
 organization: Passivhaus