Quantity is related to Weight. Weight is related to Reading. Reading is related to Do. 
Supportive is derived from Support. Support is a type of Aid. Aid is related to Assistance. 
Quantity <--RelatedTo--> Weight <--RelatedTo--> Reading <--RelatedTo--> Do 
Supportive --DerivedFrom--> Support --IsA--> Aid <--RelatedTo--> Assistance 