Category 1: Sun
Category 2: Earth
Category 3: Moon
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Classify the following words into three categories:

### Input:
Sun, Earth, Moon

### Response:
Category 1: Sun
Category 2: Earth
Category 3: Moon
assistant

To classify the given words into three categories, I would categorize them as follows:

1. **Location**: Earth, Sun, Moon
2. **Body/Entity**: Sun, Earth, Moon
3. **Concept**: Sun, Earth, Moon

These categories capture the different aspects of the given words, whether they refer to a specific place, a celestial body, or a fundamental concept.