Camp is related to Cottage. Cottage is related to Farm. Farm is related to Shelter. Shelter is a type of Invest. 
Campaign is related to Attack. Tackle is a type of Attack. 
Camp <--RelatedTo--> Cottage <--RelatedTo--> Farm <--RelatedTo--> Shelter --IsA--> Invest 
Campaign <--RelatedTo--> Attack <--IsA-- Tackle 