Categorize the following items into three distinct sets:
Cat, Dog, Tiger
Set 1- Domestic Animals: Cat, Dog

Set 2- Wild Animals: Tiger

Set 3- Pets: Cat, Dog.
Complete the following task based on the instruction and optional input provided.### Instruction:
Categorize the following items into three distinct sets:

### Input:
Cat, Dog, Tiger

### Output:
Set 1- Domestic Animals: Cat, Dog

Set 2- Wild Animals: Tiger

Set 3- Pets: Cat, Dog.