Emission is a type of Release. Release is related to Debut. 
Olympics is related to Swim. Swim is related to Body. Body is related to Weight. Weight is related to Mass. 
Emission --IsA--> Release <--RelatedTo--> Debut 
Olympics <--RelatedTo--> Swim <--RelatedTo--> Body <--RelatedTo--> Weight <--RelatedTo--> Mass 