My uncle gave me the puzzle:
Quelle est la réponse ?
That translates to
What is the answer?
I don't know the answer yet. I have look into matchsticks without success but it could be something else. Plus there is no information about the number of matchsticks one should move...
As he's French and he doesn't speak English, I do not exclude you should understand French, and if so, I apologize for that!