Airplane is a synonym of Plane. Plane can be used for Travel. Proceed is a type of Travel. 
Trash is related to Trailer. Trailer is related to Extra. Extra is a type of Artifact. 
Airplane <--Synonym--> Plane --UsedFor--> Travel <--IsA-- Proceed 
Trash <--RelatedTo--> Trailer <--RelatedTo--> Extra --IsA--> Artifact 