<http://schema.org/keywords>
" 1st-birthday,1st,lime-green,lime,owl,green,two-tier,two,tier,birthday,cake,pink,Birthday Cake "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cakecentral.com/gallery/i/2255976/sweet-little-pink-owl-birthday-cake>