Teaching is related to Coach. Pistol can be used for Coach. 
Video can be Weak. Weak is a synonym of Shallow. Shallow is related to Plate. Plate is related to Vessel. 
Teaching <--RelatedTo--> Coach <--UsedFor-- Pistol 
Video --HasProperty--> Weak <--Synonym--> Shallow <--RelatedTo--> Plate <--RelatedTo--> Vessel 