Instrument is related to Clock. Clock is related to Bedroom. 
Affair can cause/lead to Scandal. Politician does not want (to) Scandal. Legislator is a type of Politician. Legislator is a synonym of Lawmaker. 
Instrument <--RelatedTo--> Clock <--RelatedTo--> Bedroom 
Affair --Causes--> Scandal <--NotDesires-- Politician <--IsA-- Legislator <--Synonym--> Lawmaker 