An answer is given. Generate a question for which the given answer is either a direct or partial answer.

Input: Consider Input: Answer: nguy%e1%bb%85n v%c4%83n thi%e1%bb%87u

Output: who is the south vietnam leader in 1960-1975?

Input: Consider Input: Answer: riyadh

Output: biggest city in saudi arabia?

Input: Consider Input: Answer: childhood
Output: what song did michael jackson collaborate with sister janet?