Task: Question Answering
Input (English): Which of the following pairs of statements are both true (as of 2019)?
(A)People tend to be optimistic about their own future and the future of their nation or the world. (B)People tend to be optimistic about their own future but pessimistic about the future of their nation or the world. (C)People tend to be pessimistic about their own future but optimistic about the future of their nation or the world. (D)People tend to be pessimistic about their own future and the future of their nation or the world.
Output (English): B