Forgive requires Tell. Tell is related to Admit. Admit is related to Guilt. Killing can cause/lead to Guilt. 
Bullet is related to Weapon. Bow is a type of Weapon. 
Forgive --HasPrerequisite--> Tell <--RelatedTo--> Admit <--RelatedTo--> Guilt <--Causes-- Killing 
Bullet <--RelatedTo--> Weapon <--IsA-- Bow 