Cattle is related to Long. Long is related to Horse. Horse is related to Adult. 
Official is related to Department. Department is a synonym of Specialty. Specialty is derived from Specialize. 
Cattle <--RelatedTo--> Long <--RelatedTo--> Horse <--RelatedTo--> Adult 
Official <--RelatedTo--> Department <--Synonym--> Specialty --DerivedFrom--> Specialize 