Question 1
5 people (Robin, Sarah, Freya, Ivy, Susan) live on floors 1 to 5, one person per floor.
Based on these clues:
• Ivy lives immediately above Sarah
• Freya and Ivy are exactly 3 floors apart
• Sarah lives on an even-numbered floor
• Sarah lives exactly 1 floor above Susan
On which floor does Freya live?
The unique arrangement (floor: person) is: {1: 'Robin', 2: 'Freya', 3: 'Susan', 4: 'Sarah', 5: 'Ivy'}.