[['United States', 'LANGUAGE', 'English language'], ['United States', 'LEADER_TITLE', 'President of the United States'], ['United States', 'LEADER_NAME', 'Joe Biden'], ['250 Delaware Avenue', 'LOCATION', 'United States'], ['United States', 'ETHNIC_GROUP', 'Asian Americans']]
250 Delaware Avenue is located in the _____, where the leader is know as the President of the United States. One of the leaders in the US is _____ and an ethnic group of the United States (where English is the language) is Asian Americans.