Activity is related to Fight. Fight is related to Competition. Competition is related to Opponent. 
Fill is related to Put. Put is the opposite of Carry. Carry is related to Cash. 
Activity <--RelatedTo--> Fight <--RelatedTo--> Competition <--RelatedTo--> Opponent 
Fill <--RelatedTo--> Put <--Antonym--> Carry <--RelatedTo--> Cash 