Qualify is a synonym of Modify. Modify is a type of Change. String is a type of Change. String is a synonym of Draw. 
Donor is related to Organ. Organ is a type of Furniture. Furniture is related to Leg. Leg is related to Horse. 
Qualify <--Synonym--> Modify --IsA--> Change <--IsA-- String <--Synonym--> Draw 
Donor <--RelatedTo--> Organ --IsA--> Furniture <--RelatedTo--> Leg <--RelatedTo--> Horse 