Regret is a type of Inform. Teach is a type of Inform. Story can be used for Teach. 
Instrument is related to Plate. Plate is related to Flavor. Cheese have Flavor. 
Regret --IsA--> Inform <--IsA-- Teach <--UsedFor-- Story 
Instrument <--RelatedTo--> Plate <--RelatedTo--> Flavor <--HasA-- Cheese 