Graduation is related to Event. Event is related to Christmas. Christmas is related to Crowd. Crowd is related to Frown. 
Fat is related to Weight. Weight is related to Builder. 
Graduation <--RelatedTo--> Event <--RelatedTo--> Christmas <--RelatedTo--> Crowd <--RelatedTo--> Frown 
Fat <--RelatedTo--> Weight <--RelatedTo--> Builder 