Categorize the following set of items as vegetables, fruits or neither.
Blueberries, potatoes, fish
Fruits: Blueberries
Vegetables: Potatoes
Neither: Fish
Complete the following task based on the instruction and optional input provided.### Instruction:
Categorize the following set of items as vegetables, fruits or neither.

### Input:
Blueberries, potatoes, fish

### Output:
Fruits: Blueberries
Vegetables: Potatoes
Neither: Fish