Please choose the correct ending to complete the given sentence: Using the rowing machine: One man is explaining to another man how to use a rowing machine. One of the main starts to row on the rowing machine before the other. next

Ending1: , the other man joins the first man and starts to row. Ending2: , another man shows how to do the rowing as a man like the one in the boat begins to prepare another on the lake pier. Ending3: , the man makes out with another man while one woman walks onto the stage before dancing. Ending4: , the men ride the rowing machines over a hilly terrain together.

Answer format: ending1/ending2/ending3/ending4