阅读理解One weekend,a wife and a husband went to visit a shop in

阅读理解
One weekend,a wife and a husband went to visit a shop in Tokyo.After they got back home,they couldn't find their camera.They thought the camera must be in the shop.After a few weeks,they went to that shop again and the boss of the shop gave their camera back to them.
When their pictures of the camera came out,the husband saw two pictures he did not take.One is a man standing at the door of the shop.In his hand there is a piece of paper with some worda on it"I find your camera."The other is a boy with a piece of paper in his hand.There are some worda on the paper too"I take the pictures."
1.What did the wife and her husband do one weekend?
2.When did they find their camera was lost?
3.Did they find their camera after a few weeks?
4.Who found the camera and who took the pictures?