Racism is a type of Bias. Racism is a type of Discrimination. Discrimination is related to Age. 
Earth is related to Fire. Fire is related to Sun. Sun is related to Outer. Outer is similar to Satellite. 
Bias <--IsA-- Racism --IsA--> Discrimination <--RelatedTo--> Age 
Earth <--RelatedTo--> Fire <--RelatedTo--> Sun <--RelatedTo--> Outer <--SimilarTo--> Satellite 