Pull is related to Lift. Lift is the opposite of Drop. Drop is a different concept from Carry. 
Soap is a type of Solid. Solid is a different concept from Gas. Gas have Weight. Weight is related to Balance. 
Pull <--RelatedTo--> Lift <--Antonym--> Drop <--DistinctFrom--> Carry 
Soap --IsA--> Solid <--DistinctFrom--> Gas --HasA--> Weight <--RelatedTo--> Balance 