Steam is a type of Cook. Cook is related to Chief. Chief is related to Status. 
Others is related to Grave. Grave is related to Dark. Dark is related to Black. Sand can be Black. 
Steam --IsA--> Cook <--RelatedTo--> Chief <--RelatedTo--> Status 
Others <--RelatedTo--> Grave <--RelatedTo--> Dark <--RelatedTo--> Black <--HasProperty-- Sand 