| 1 | Strychnine, arsenic, and opium are poison. | |
| 2 | On the third day, they handed over20000 chests of opium. | |
| 3 | One day, a friend offered her a pipe and opium. | |
| 4 | So somebody ask the doctor why opium makes one sleep? | |
| 5 | You have to travel a long way to find an opium museum. |