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

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 bound for Porto is immediately to the right of the traveler holding a first-class ticket. 2. The traveler holding a rail pass is Luca. 3. Zara is immediately to the right of the traveler holding a group fare. 4. The traveler holding a first-class ticket is somewhere to the left of the traveler bound for Kraków. 5. The traveler doing a crossword is Zara. 6. The traveler bound for Porto is directly next to the traveler bound for Vienna. 7. The traveler reading a manual is Luca. 8. The traveler bound for Kraków is directly next to Priya. 9. The traveler holding a first-class ticket is the traveler reading a novel. 10. The traveler reading a manual is directly next to Zara.