Dancing can cause/lead to Happiness. Happiness is a type of Feeling. Feeling is related to Upset. Upset is similar to Ill. 
Impressive is similar to Striking. Striking is a form of Strike. Slap is a type of Strike. Slap is related to Palm. 
Dancing --Causes--> Happiness --IsA--> Feeling <--RelatedTo--> Upset <--SimilarTo--> Ill 
Impressive <--SimilarTo--> Striking --FormOf--> Strike <--IsA-- Slap <--RelatedTo--> Palm 