Rank these 4 breeds of dogs by their intelligence in the descending order.
German Shepherd, Chihuahua, Labrador Retriever, Poodle
1. Labrador Retriever
2. German Shepherd
3. Poodle
4. Chihuahua
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Rank these 4 breeds of dogs by their intelligence in the descending order.

### Response:
1. Labrador Retriever
2. German Shepherd
3. Poodle
4. Chihuahua