Highway is related to Coast. Coast is related to Line. Line is part of Poem. 
Carrier is related to Blood. Blood is related to Part. Part is related to Course. Course is related to Runner. 
Highway <--RelatedTo--> Coast <--RelatedTo--> Line --PartOf--> Poem 
Carrier <--RelatedTo--> Blood <--RelatedTo--> Part <--RelatedTo--> Course <--RelatedTo--> Runner 