Sentence: Alfred Garth Jones died in Sidcup, in London, the leader of which is, Boris Johnson. While the London government is known as the Parliament of the U.K., London is governed by the Greater London Authority.

What structured data could we extract from this sentence?
London, leaderTitle, Parliament of the United Kingdom; London, governingBody, Greater London Authority; Alfred Garth Jones, deathPlace, Sidcup; Alfred Garth Jones, deathPlace, London; London, leader, Boris Johnson