you are likely to find Foot in/at/on Grave. Foot is related to Smell. Scent is a type of Smell. 
Leaf is related to Flag. Flag is related to Fabric. 
Grave <--AtLocation-- Foot <--RelatedTo--> Smell <--IsA-- Scent 
Leaf <--RelatedTo--> Flag <--RelatedTo--> Fabric 