TASK DEFINITION: An answer is given. Generate a question for which the given answer is either a direct or partial answer.
PROBLEM: Answer: funny things happen down under

SOLUTION: what was olivia newton-johns oldest movie?

PROBLEM: Answer: kevin costner

SOLUTION: who played ronin hood in prince of thieves?

PROBLEM: Answer: kalahari desert

SOLUTION:
what desert spreads from botswana into africa?