Recall is the opposite of Forget. Forget is the opposite of Learn. Learn requires Concentrate. 
Ribbon is related to Hair. Dog is made of Hair. Dog is related to Dare. 
Recall <--Antonym--> Forget <--Antonym--> Learn --HasPrerequisite--> Concentrate 
Ribbon <--RelatedTo--> Hair <--MadeOf-- Dog <--RelatedTo--> Dare 