Foot is related to Ground. Ground is related to Play. Declare is a type of Play. Declare is a type of Authorize. 
Area is related to Seat. Seat is a type of Location. Location is related to Desert. you are likely to find Shadow in/at/on Desert. 
Foot <--RelatedTo--> Ground <--RelatedTo--> Play <--IsA-- Declare --IsA--> Authorize 
Area <--RelatedTo--> Seat --IsA--> Location <--RelatedTo--> Desert <--AtLocation-- Shadow 