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:

**Category 1: Celestial Bodies**

* Sun
* Earth
* Moon

**Category 2: Natural Objects**

* Sun
* Earth
* Moon

**Category 3: Concepts**

* Sun
* Earth
* Moon

These categories can be further sub-divided or combined depending on the context in which the words are being used.