QUESTION: Generate a question with a factual answer?

ANS: What did one of the treaties between the Tang and Tibet help fix?

QUESTION: Generate a question with a factual answer?

ANS: What is the average rainfall in February along the coast?

QUESTION: Generate a question with a factual answer?

ANS: What symbol set has a defining property of ambiguity?

QUESTION: Generate a question with a factual answer?

ANS:
What does the acronym LED refer to?