Sentence: King County is the location of Auburn, part of Pierce County and King County in Washington. The largest city in the latter county is Seattle and all locations are in the United States which has the capital of Washington DC.

What structured data could we extract from this sentence?
Auburn, Washington, isPartOf, Pierce County, Washington; United States, capital, Washington, D.C.; King County, Washington, country, United States; Auburn, Washington, isPartOf, King County, Washington; King County, Washington, largestCity, Seattle