I'll give you a question, please answer with step-by-step reasoning process.
If "Three construction workers smoothing new sidewalk cement in a city." does that mean that "Constructions working put down new cement to replace the old one."?\nOptions:\n- yes\n- it is not possible to tell\n- no

it is not possible to tell
Smoothing a new sidewalk does not imply that there was an old one.

.

The answer is it is not possible to tell