Pistol is related to Bullet. Bullet can be used for Killing. 
Change is related to Cash. Cash is a type of Payment. Payment is related to Car. Car is related to American. 
Pistol <--RelatedTo--> Bullet --UsedFor--> Killing 
Change <--RelatedTo--> Cash --IsA--> Payment <--RelatedTo--> Car <--RelatedTo--> American 