Classify this as either an animal, plant, or fungus.
Unicorn
Unicorns are mythical creatures and are not real animals, plants, or fungi.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify this as either an animal, plant, or fungus.

### Input:
Unicorn

### Output:
Unicorns are mythical creatures and are not real animals, plants, or fungi.