Question: chi concorre per le elezioni presidenziali del 2020
Answer: Steve Bullock; Joe Biden; Joseph Robinette "Joe" Biden, Jr.; Joseph Robinette Biden; Joseph Robinette Biden, Jr.; Joseph R. Biden; Joseph Biden; Cory Booker; Pete Buttigieg; Peter Paul Montgomery Buttigieg; Peter Buttigieg; Donald Trump; Donald John Trump; Donald Trump