Politics is related to Congress. Congress is related to Speaker. Speaker is related to Poet. Poet is a type of Artist. 
Involved is similar to Interested. you would Study because Interested. 
Politics <--RelatedTo--> Congress <--RelatedTo--> Speaker <--RelatedTo--> Poet --IsA--> Artist 
Involved <--SimilarTo--> Interested <--MotivatedByGoal-- Study 