Sentence: Alvah Sabin was a member of the Whig Party of the United States which was led by Henry Clay. Sabin represented Vermont which is home to Burlington, the state's largest city.

What structured data could we extract from this sentence?
Alvah Sabin, party, Whig Party (United States); Alvah Sabin, region, Vermont; Vermont, largestCity, Burlington, Vermont; Whig Party (United States), leader, Henry Clay