Please choose the correct ending to complete the given sentence: Cleaning shoes: An introduction is shown for a video about how to clean running spikes. A guy explains that he will clean the spikes while showing the dirt on the spikes. he

Ending1: begins by brushing mud off the spikes into a sink. Ending2: puts dirt dust on the spikes. Ending3: turns on a spray cleaner solution and sprays the spikes with it. Ending4: shows how to do the proper procedure using an iron.

Answer format: ending1/ending2/ending3/ending4