Known answer: no
Now, what could be the question and solution? Can Arnold Schwarzenegger deadlift an adult Black rhinoceros?
Arnold Schwarzenegger deadlifted 710 pounds in a competition. The world deadlift record is 1,104 pounds, set by Game of Thrones actor Hafthor Bjornsson. The weight of an adult Black rhinoceros is between 1,800 3,100 pounds.

Known answer: no
Now, what could be the question and solution? Does Jerry Seinfeld hang out at the Budweiser Party Deck?
The Budweiser Party Deck is a social gathering spot in Yankee Stadium. Yankee Stadium is home to the New York Yankees baseball team. Jerry Seinfeld is a fan of the New York Mets.

Known answer: yes
Now, what could be the question and solution? Could every citizen of Samoa send a letter to a unique JPMorgan Chase employee?
JPMorgan Chase had a total of 256,981 employees in the fourth quarter of 2019. The estimated population of Samoa as of July 1st, 2019 is 200,874.

Known answer: no
Now, what could be the question and solution?
Can Roman numerals fill the normal number of Sudoku box options?
Sudoku boxes can be filled with one of 9 numbers. There are only seven Roman numerals: I, V, X, L, C, D and M.