Invasion is related to Attack. Attack is the opposite of Guard. Guard is related to Defense. Defense is a type of Team. 
Bullet is related to Food. Food is related to Market. Market is related to Retail. 
Invasion <--RelatedTo--> Attack <--Antonym--> Guard <--RelatedTo--> Defense --IsA--> Team 
Bullet <--RelatedTo--> Food <--RelatedTo--> Market <--RelatedTo--> Retail 