Categorize a list of places into two groups
Tokyo, London, New York, Sydney
**Group A: Cities in the Northern Hemisphere**
- Tokyo
- London
- New York

**Group B: Cities in the Southern Hemisphere**
- Sydney
Complete the following task based on the instruction and optional input provided.### Instruction:
Categorize a list of places into two groups

### Input:
Tokyo, London, New York, Sydney

### Output:
**Group A: Cities in the Northern Hemisphere**
- Tokyo
- London
- New York

**Group B: Cities in the Southern Hemisphere**
- Sydney