Care is a type of Protection. Weapon can be used for Protection. Weapon is a type of Instrument. Instrument is related to Blade. 
Target is a type of Aim. Aim is a synonym of Propose. 
Care --IsA--> Protection <--UsedFor-- Weapon --IsA--> Instrument <--RelatedTo--> Blade 
Target --IsA--> Aim <--Synonym--> Propose 