Lay is a form of Lie. Lay is a type of Organize. Organize is a type of Arrange. Pair is a type of Arrange. 
Emphasize is a synonym of Stress. Stress is the opposite of Relax. Relax is a type of Affect. Affect is a synonym of Improve. 
Lie <--FormOf-- Lay --IsA--> Organize --IsA--> Arrange <--IsA-- Pair 
Emphasize <--Synonym--> Stress <--Antonym--> Relax --IsA--> Affect <--Synonym--> Improve 