<http://schema.org/keywords>
" black,dot,hot-pink,hot,pink-black,polka,polka-dot,teen,stripe,zebra-stripe,rose,zebra,pink,Birthday Cakes "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cakecentral.com/gallery/i/2157807/punky-gothic-cake>