Sort these items into categories.

Books, Pen, Pencil, Calculator, Chair
Writing Instruments: Pen, Pencil

Stationery: Calculator

Furniture: Chair

Reading Material: Books
Complete the following task based on the instruction and optional input provided.### Instruction:
Sort these items into categories.

Books, Pen, Pencil, Calculator, Chair

### Output:
Writing Instruments: Pen, Pencil

Stationery: Calculator

Furniture: Chair

Reading Material: Books