Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Modify person's expression to be cheerful. close up portrait painting of middle aged thom york, ultra realistic, concept art, intricate details, serious, highly detailed, photorealistic, octane render, 8 k, unreal engine. art by artgerm and greg rutkowski and alphonse mucha

### Response:
'close up portrait painting of middle-aged Thom Yorke, ultra realistic, concept art, intricate details, serious, highly detailed, photorealistic, Octane Render, 8k, Unreal Engine. Art by Artgerm and Greg Rutkowski and Alphonse Mucha. Person's expression: cheerful.'

### End