tokens: I figured this out using information here : http://www.magentocommerce.com/boards/viewthread/50611/ ( the referenced thread can be viewed in the internet archive , here https://web.archive.org/web/20150315055800/http://www.magentocommerce.com/boards/viewthread/50611 )
ner_tags: O O O O O O O O O O O O O O O O O O O O O O O O