Muscle is related to Substance. Solid is a type of Substance. Pen can be Solid. 
Possible is the opposite of Unable. Unable is the opposite of Can. Can is related to Bone. Bone is related to Component. 
Muscle <--RelatedTo--> Substance <--IsA-- Solid <--HasProperty-- Pen 
Possible <--Antonym--> Unable <--Antonym--> Can <--RelatedTo--> Bone <--RelatedTo--> Component 