School is related to Literature. Literature is related to College. College is related to Campus. Campus is a type of Field. 
Boot is a type of Shell. Shell is a type of Hit. Double is a type of Hit. 
School <--RelatedTo--> Literature <--RelatedTo--> College <--RelatedTo--> Campus --IsA--> Field 
Boot --IsA--> Shell --IsA--> Hit <--IsA-- Double 