Sentence: The Dead Man's Plack is found in England and made from rock. It is dedicated to thelwald, Ealdorman of East Anglia. London is the capital of England and British Arabs are an ethnic group. The Cornish language is spoken in England.

What data can be extracted from this sentence?
Dead Man's Plack, location, England; England, ethnicGroup, British Arabs; England, capital, London; Dead Man's Plack, dedicatedTo, thelwald, Ealdorman of East Anglia; England, language, Cornish language; Dead Man's Plack, material, Rock (geology)