Colony is related to Knee. Knee is related to Skirt. Skirt is related to Belt. 
you are likely to find Lobby in/at/on Opera. Lobby is a type of People. People is the opposite of Gun. 
Colony <--RelatedTo--> Knee <--RelatedTo--> Skirt <--RelatedTo--> Belt 
Opera <--AtLocation-- Lobby --IsA--> People <--Antonym--> Gun 