Please choose the correct ending to complete the given sentence: Chopping wood: A man in a green shirt and green hat is holding a large knife. he

Ending1: is sharpening a knife with a ruler. Ending2: starts cutting a piece of wood with the knife. Ending3: is sharpening a knife on a piece of a table. Ending4: starts sharpening a knife with a long thin knife.

Answer format: ending1/ending2/ending3/ending4