Question 8
TransArt is a painting-delivery company. Paintings arrive at a warehouse and are stacked on top of one another. Couriers arrive and take the painting currently on top. For security, TransArt records the arrivals and departures.

| Arrival time | Painting title |
|---|---|
| 11:40 | Beaver in the Meadow |
| 12:15 | Happy Beaver |
| 12:55 | Moon and Sun |
| 13:30 | The Forbidden Forest |
| 14:18 | The Old Oak |
| 15:10 | The Dreamy Swamp |
| Departure time | Courier |
|---|---|
| 12:25 | Luân |
| 13:35 | Quân |
| 14:35 | Luân |
| 14:40 | Vân |
| 15:20 | Quân |
| 15:35 | Quang |
The company receives a message saying that “Moon and Sun” has not reached its recipient. Who transported that painting?

| Arrival time | Painting title |
|---|---|
| 11:40 | Beaver in the Meadow |
| 12:15 | Happy Beaver |
| 12:55 | Moon and Sun |
| 13:30 | The Forbidden Forest |
| 14:18 | The Old Oak |
| 15:10 | The Dreamy Swamp |
| Departure time | Courier |
|---|---|
| 12:25 | Luân |
| 13:35 | Quân |
| 14:35 | Luân |
| 14:40 | Vân |
| 15:20 | Quân |
| 15:35 | Quang |
The company receives a message saying that “Moon and Sun” has not reached its recipient. Who transported that painting?