Foot can be used for Movement. Foot is similar to Horse. you are likely to find Horse in/at/on Trailer. 
Abstract is part of Patent. Abstract is a synonym of Remove. Fire is a type of Remove. Fire can be Essential. 
Movement <--UsedFor-- Foot <--SimilarTo--> Horse --AtLocation--> Trailer 
Patent <--PartOf-- Abstract <--Synonym--> Remove <--IsA-- Fire --HasProperty--> Essential 