Five neighbours each painted their front door a different colour. Their names are Isla, Tom, Nina, Rory, and Zara. The colours are red, purple, blue, yellow, and green.

1. Neither Nina nor Rory painted their door green.
2. Neither Nina nor Rory painted their door purple.
3. Neither Tom nor Rory painted their door yellow.
4. Neither Isla nor Zara painted their door purple.
5. Zara painted their door red.