<http://schema.org/description>
"You know you should floss at least once a day to keep your smile healthy. But how much do you really know about this simple, effective tool? Take this quiz to test your flossing knowledge and know-how."^^<http://www.w3.org/2001/XMLSchema#string>
<http://health.howstuffworks.com/wellness/oral-care/products/floss-quiz13.htm>