### Instruction:
Classify the cities based on whether they are located in Namibia or Yemen.
Sanaa, Ta‘izz, Windhoek, Rundu, Oshakati, Al Ḩudaydah

### Response:
Namibia - Windhoek, Rundu, Oshakati
Yemen - Sanaa, Ta‘izz, Al Ḩudaydah