Metal can be Cut. Metal is related to Helmet. Helmet is related to Gear. Gear is a type of Wheel. 
you are likely to find Spoon in/at/on Bed. you are likely to find Student in/at/on Bed. Student can be used for Teaching. Classroom can be used for Teaching. 
Cut <--ReceivesAction-- Metal <--RelatedTo--> Helmet <--RelatedTo--> Gear --IsA--> Wheel 
Spoon --AtLocation--> Bed <--AtLocation-- Student --UsedFor--> Teaching <--UsedFor-- Classroom 