Fighting is related to Sword. Sword can be used for Kill. War would make you want to Kill. War is related to Army. 
Visitor is a type of Traveler. Traveler is related to Tourist. 
Fighting <--RelatedTo--> Sword --UsedFor--> Kill <--CausesDesire-- War <--RelatedTo--> Army 
Visitor --IsA--> Traveler <--RelatedTo--> Tourist 