Goal is related to Van. Van is related to Big. Big is related to Tank. 
Import is related to Car. Car is related to Deal. Deal is related to Hand. Hand is related to Elbow. 
Goal <--RelatedTo--> Van <--RelatedTo--> Big <--RelatedTo--> Tank 
Import <--RelatedTo--> Car <--RelatedTo--> Deal <--RelatedTo--> Hand <--RelatedTo--> Elbow 