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as part of their class , titled `` sustainable building design , '' the students analyze the components of the building that play a role in the structure 's environmental impact , such as insulation , water usage and drainage , and the heating , ventilation and air conditioning ( hvac ) system .
 component whole: components, building
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
Answer:
 component whole: components, building