Headquarters is related to Military. Military is related to Duty. Duty is related to Commitment. 
Silence is the opposite of Song. Song is related to Tune. Tune is a synonym of Line. Painter is a type of Line. 
Headquarters <--RelatedTo--> Military <--RelatedTo--> Duty <--RelatedTo--> Commitment 
Silence <--Antonym--> Song <--RelatedTo--> Tune <--Synonym--> Line <--IsA-- Painter 