About: http://webisa.webdatacommons.org/221717489

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	Does a ball roll further on grass or dirt? (you could even test different types of balls)
http://www.w3.org/ns/prov#wasQuotedFrom	micechat.com