Walk is a type of Accompany. Walk is related to Motion. Kneel is a type of Motion. Kneel is derived from Knee. 
Sand is related to Clay. Clay is related to Sculpture. 
Accompany <--IsA-- Walk <--RelatedTo--> Motion <--IsA-- Kneel --DerivedFrom--> Knee 
Sand <--RelatedTo--> Clay <--RelatedTo--> Sculpture 