About: http://webisa.webdatacommons.org/28331134

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	two people exchange promises: a promise for a promiseOfferee can accept the offer by promising to perform some act, such as make a payment or provide services
http://www.w3.org/ns/prov#wasQuotedFrom	studyblue.com