<http://schema.org/keywords>
" 50th,50th-birthday,birthday,edible,edible-image,image,ribbon-rose,ribbon,rose,sheetcake,Birthday Cakes,Buttercream "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cakecentral.com/gallery/i/63128/50th-birthday>