About: http://webisa.webdatacommons.org/53784932

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	However, he insists that it was certainly a laugh and was not caused by any device, and no one except the two people who heard it were in the structure.
http://www.w3.org/ns/prov#wasQuotedFrom	physorg.com