About: http://webisa.webdatacommons.org/219561491

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Adam29-03-10, 21:03The whole point of specifying that a ruck or tackle nullifies the taken-back is that it is in practical terms impossible to tell if the opposition played the ball when there is a ruck.
http://www.w3.org/ns/prov#wasQuotedFrom	rugbyrefs.com