Fee is related to Rate. Rate is a type of Be. Continue is a type of Be. Continue is a synonym of Cover. 
President can be used for Leading. President is related to State. Popularity is a type of State. 
Fee <--RelatedTo--> Rate --IsA--> Be <--IsA-- Continue <--Synonym--> Cover 
Leading <--UsedFor-- President <--RelatedTo--> State <--IsA-- Popularity 