About: http://webisa.webdatacommons.org/352250859

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	For a tennis great, I would say Federer lacks a bit of mental strenght and that factor becomes particularly more important when he faces Nadal.
http://www.w3.org/ns/prov#wasQuotedFrom	menstennisforums.com