Immediate is related to Family. Family is a type of Sword. Sword can be used for Kill. Bomb can Kill. 
Forget is related to Memory. Memory is related to System. System is related to Earth. 
Immediate <--RelatedTo--> Family --IsA--> Sword --UsedFor--> Kill <--CapableOf-- Bomb 
Forget <--RelatedTo--> Memory <--RelatedTo--> System <--RelatedTo--> Earth 