Categorise the following items : pencil, pen, laptop
- pencil: stationery, writing instrument
- pen: stationery, writing instrument
- laptop: electronic device, computer
Complete the following task based on the instruction and optional input provided.### Instruction:
Categorise the following items : pencil, pen, laptop

### Output:
- pencil: stationery, writing instrument
- pen: stationery, writing instrument
- laptop: electronic device, computer