PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is a birth control pill that contains two types of hormones, estrogens and progestins and, when taken properly, prevents pregnancy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mayoclinic.org