<http://schema.org/keywords>
"What to do when pregnant"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hindustantimes.com/health-and-fitness/exercise-mothers-to-be-you-ll-have-active-and-fit-children/story-xh5H0OPLBRlsKk1jg5TtsI.html>