Incident is related to Battle. Battle is related to Hill. Hill is related to Form. Strike is a type of Form. 
Mixed is a form of Mix. Mixed is related to Punch. Punch is related to Closed. Closed is related to Box. 
Incident <--RelatedTo--> Battle <--RelatedTo--> Hill <--RelatedTo--> Form <--IsA-- Strike 
Mix <--FormOf-- Mixed <--RelatedTo--> Punch <--RelatedTo--> Closed <--RelatedTo--> Box 