one thing you do when you Cooking is Burn. Cooking is related to Preserve. Preserve is related to Nature. Nature is related to Sky. 
Doctor is related to Fix. Fix is related to Medical. Medical is related to Cure. 
Burn <--HasSubevent-- Cooking <--RelatedTo--> Preserve <--RelatedTo--> Nature <--RelatedTo--> Sky 
Doctor <--RelatedTo--> Fix <--RelatedTo--> Medical <--RelatedTo--> Cure 