Free is a type of People. People have Mission. 
Quick is related to Note. Note entails/necessarily involves Perceive. Sight is a type of Perceive. Sight is related to Ability. 
Free --IsA--> People --HasA--> Mission 
Quick <--RelatedTo--> Note --Entails--> Perceive <--IsA-- Sight <--RelatedTo--> Ability 