Pistol can be used for Shooting. Bullet can be used for Shooting. Bullet is related to Peanut. Peanut is related to Cookie. 
Person is part of Humanity. 
Pistol --UsedFor--> Shooting <--UsedFor-- Bullet <--RelatedTo--> Peanut <--RelatedTo--> Cookie 
Humanity <--PartOf-- Person 