Buck is related to Deer. Deer is related to Idea. Idea is related to Dear. 
Earth can be Flat. Soil is a type of Earth. Soil is related to Good. 
Buck <--RelatedTo--> Deer <--RelatedTo--> Idea <--RelatedTo--> Dear 
Flat <--HasProperty-- Earth <--IsA-- Soil <--RelatedTo--> Good 