Bomb is related to Pipe. Bowl is part of Pipe. Bowl is related to Super. Super is related to Hero. 
Cotton is a type of Plant. Cotton is related to Rabbit. Rabbit is related to Little. Little is related to Height. 
Bomb <--RelatedTo--> Pipe <--PartOf-- Bowl <--RelatedTo--> Super <--RelatedTo--> Hero 
Plant <--IsA-- Cotton <--RelatedTo--> Rabbit <--RelatedTo--> Little <--RelatedTo--> Height 