Happy is related to Good. Help can be Good. Secretary can be used for Help. 
Bench is a type of Furniture. Chest is a type of Furniture. Chest is related to Toy. 
Happy <--RelatedTo--> Good <--ReceivesAction-- Help <--UsedFor-- Secretary 
Bench --IsA--> Furniture <--IsA-- Chest <--RelatedTo--> Toy 