Specialty is derived from Specialize. Specialize is a synonym of Narrow. Narrow is a synonym of Short. 
Job is related to Benefit. Benefit is related to Event. Event is related to Trial. you are likely to find Trial in/at/on Courtroom. 
Specialty --DerivedFrom--> Specialize <--Synonym--> Narrow <--Synonym--> Short 
Job <--RelatedTo--> Benefit <--RelatedTo--> Event <--RelatedTo--> Trial --AtLocation--> Courtroom 