Exercise a put option when shorting is not possible
You are the one lending yourself the shares to sell;you purchase the stock at market price and sell at the strike price of the option to the put seller when you exercise the option.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Exercise a put option when shorting is not possible

### Response:
You are the one lending yourself the shares to sell;you purchase the stock at market price and sell at the strike price of the option to the put seller when you exercise the option.