Majority is related to Half. Half is related to Leg. Leg is related to Single. Single is a synonym of Individual. 
Politician is the opposite of Elect. Elect is related to Representative. Representative is related to Lawyer. Lawyer is a type of Professional. 
Majority <--RelatedTo--> Half <--RelatedTo--> Leg <--RelatedTo--> Single <--Synonym--> Individual 
Politician <--Antonym--> Elect <--RelatedTo--> Representative <--RelatedTo--> Lawyer --IsA--> Professional 