Hint is a type of Clue. Hint is a synonym of Suggest. Suggest is a synonym of Move. Move is related to Leave. 
Foot is related to Salt. Salt is similar to Sharp. Sharp is similar to Intense. Intense is similar to Terrific. 
Clue <--IsA-- Hint <--Synonym--> Suggest <--Synonym--> Move <--RelatedTo--> Leave 
Foot <--RelatedTo--> Salt <--SimilarTo--> Sharp <--SimilarTo--> Intense <--SimilarTo--> Terrific 