Question: to Clean a Wooden Cutting Board with Lemon and Salt
Option 0: cut lemon in half, scrub the cutting board surface with the lemon, sprinkle granulated sugar on it  liberally, wait for 15 minutes then rinse with water
Option 1: cut lemon in half, scrub the cutting board surface with the lemon, sprinkle coarse salt on it  liberally, wait for 15 minutes then rinse with water
Answer: 1