Data: Binignit, ingredient, Sweet potato; Binignit, course, Dessert; Dessert, dishVariation, Cookie

Cookies and binignit (which contains sweet potato) are types of dessert.

Data: United States, capital, Washington, D.C.

Washington D.C. is the capital city of the United States.

Data: AIDS (journal), firstPublicationYear, 1987
AIDS (journal) was first published in 1987.