Witness is a synonym of See. Make is a type of See. Metal can be used for Make. Metal is related to Spoon. 
Trunk is related to Spare. Spare is a type of Use. Use is related to Music. Music can Heal. 
Witness <--Synonym--> See <--IsA-- Make <--UsedFor-- Metal <--RelatedTo--> Spoon 
Trunk <--RelatedTo--> Spare --IsA--> Use <--RelatedTo--> Music --CapableOf--> Heal 