Foot is part of Chair. Chair is related to Like. Treat is etymologically related to Like. Correct is a type of Treat. 
Commodity is a type of Object. Object is related to Flag. Flag is related to Sign. 
Foot --PartOf--> Chair <--RelatedTo--> Like <--EtymologicallyRelatedTo-- Treat <--IsA-- Correct 
Commodity --IsA--> Object <--RelatedTo--> Flag <--RelatedTo--> Sign 