Cut the following text into three equal parts
MTL is a GPT language model.
Part 1: MTL is 
Part 2: a GPT 
Part 3: language model.
Complete the following task based on the instruction and optional input provided.### Instruction:
Cut the following text into three equal parts

### Input:
MTL is a GPT language model.

### Output:
Part 1: MTL is 
Part 2: a GPT 
Part 3: language model.