Question 1
5 people (Robert, Akira, Sora, Hazel, Ritu) live on floors 1 to 5, one person per floor.
Based on these clues:
• Robert and Ritu are exactly 3 floors apart
• Akira and Sora live on consecutive floors
• Ritu lives immediately below Hazel
• There is exactly one floor between Sora and Ritu
On which floor does Ritu live?
The unique arrangement (floor: person) is: {1: 'Robert', 2: 'Sora', 3: 'Akira', 4: 'Ritu', 5: 'Hazel'}.