Art is related to Fill. Fill is related to Put. Put is related to Organize. Mount is a type of Organize. 
System is related to Health. Walking can be used for Health. Walking is related to Floor. Floor can be Dirty. 
Art <--RelatedTo--> Fill <--RelatedTo--> Put <--RelatedTo--> Organize <--IsA-- Mount 
System <--RelatedTo--> Health <--UsedFor-- Walking <--RelatedTo--> Floor --HasProperty--> Dirty 