Assertion: html's element | /r/HasProperty | article
Facets:
value: aside
type: MANNER
Source sentences:
text: New elements: article , aside , audio , bdi , canvas , command , data , datalist , details , embed , figcaption , figure , footer , header , keygen , mark , meter , nav , output , progress , rp , rt , ruby , section , source , summary , time , track , video ,