1. Sigismund Smith lives in Manchester.
2. The controller lives half-way between Manchester and Birmingham.
3. Edmund Jones earns exactly \latex{40} thousand pounds a \latex{year}.
4. The next door neighbour of the controller is one of the passengers, and he earns exactly three times as much as the controller.
5. Peter Williams defeats the conductor in wrestling.
6. The passenger who has the same surname as the controller lives in Birmingham.