The Four Platforms: Keiko, Priya, Jonas, and Zara

Four platforms stand in a row, numbered 1 to 4 from left to right. Each holds exactly one of each attribute, and no attribute repeats. Work out the full arrangement from these clues: 1. The traveler holding a sleeper ticket is the traveler bound for Porto. 2. The traveler holding a standard ticket is the traveler bound for Vienna. 3. The traveler holding a day-return ticket is immediately to the right of Jonas. 4. The traveler reading a manual is somewhere to the left of the traveler reading a newspaper. 5. The traveler reading a novel is Zara. 6. The traveler reading a novel is immediately to the right of Keiko. 7. The traveler reading a manual is the traveler bound for Prague. 8. The traveler holding a sleeper ticket is somewhere to the left of the traveler holding a day-return ticket. 9. The traveler reading a novel is the traveler bound for Porto. 10. The traveler reading a comic is the traveler holding a day-return ticket.