Material is a type of Substance. Substance is related to Form. Space is part of Form. Separation is a type of Space. 
Channel is a type of Communication. Language can be used for Communication. Language is related to Shrug. 
Material --IsA--> Substance <--RelatedTo--> Form <--PartOf-- Space <--IsA-- Separation 
Channel --IsA--> Communication <--UsedFor-- Language <--RelatedTo--> Shrug 