QUESTION: Generate a question with a factual answer?

ANS: Which has a longer playing time: PAL LaserDiscs or NTSC discs?

QUESTION: Generate a question with a factual answer?

ANS: What were the favorite forms of entertainment in Southeast Asia?

QUESTION: Generate a question with a factual answer?

ANS: How long did it take for scientists to stop using the narrow definition of symbiosis?

QUESTION: Generate a question with a factual answer?

ANS:
How do linguists view Catalan and Valencian?