Sentence: The ELA-3, where The Ariane 5 was launched, is operated by Arianespace. The site of ELA-3 is at the Guiana Space Centre, whose headquarters are in Kourou, French Guiana.

What structured data could we extract from this sentence?
Guiana Space Centre, location, French Guiana; Guiana Space Centre, headquarter, Kourou, French Guiana; ELA-3, site, Guiana Space Centre; Ariane 5, launchSite, ELA-3; ELA-3, operator, Arianespace