Emphasis is a type of Importance. Importance is related to Main. Main is related to Common. Common is similar to Democratic. 
Earth is related to Floor. Floor is related to Feel. Feel is related to Health. Health is related to Biological. 
Emphasis --IsA--> Importance <--RelatedTo--> Main <--RelatedTo--> Common <--SimilarTo--> Democratic 
Earth <--RelatedTo--> Floor <--RelatedTo--> Feel <--RelatedTo--> Health <--RelatedTo--> Biological 