If there is gum on your shoe where did it likely come from?\nOptions:\n- shelf\n- movies\n- sidewalk\n- water fountain\n- table
Let's think carefully first. Step-by-step reasoning process:
User
Sidewalk is a paved path for people at the side of a road. People generally walk on a sidewalk to get somewhere. Shoe is a footware that is put on feet before walking. So the final answer is sidewalk.
Assistant