Ghost is related to Shadow. you are likely to find Shadow in/at/on Desert. you are likely to find Sand in/at/on Desert. Sand is related to Brown. 
Size is a type of Classify. Size is related to Grow. 
Ghost <--RelatedTo--> Shadow --AtLocation--> Desert <--AtLocation-- Sand <--RelatedTo--> Brown 
Classify <--IsA-- Size <--RelatedTo--> Grow 