Please choose the correct ending to complete the given sentence: Swimming: A young lady wearing a colorful swimsuit is underwater swimming in a pool. A screen flashes and shows step two as the girl demonstrates swimming with your feet close together. next

Ending1: , a text intro appears with numbers on it. Ending2: , a warning screen appears saying not to swim without goggles as the girl does the exact opposite. Ending3: , the girl steps out of the pool and starts doing a hair washing routine. Ending4: , the girl adds a little video terminal and shows the paper underneath.

Answer format: ending1/ending2/ending3/ending4