Name five major cities in the United States.
1. New York City, New York 
2. Los Angeles, California 
3. Chicago, Illinois 
4. Houston, Texas 
5. Phoenix, Arizona
Complete the following task based on the instruction and optional input provided.### Instruction:
Name five major cities in the United States.

### Output:
1. New York City, New York 
2. Los Angeles, California 
3. Chicago, Illinois 
4. Houston, Texas 
5. Phoenix, Arizona