Please choose the correct ending to complete the given sentence: Tango: A man dressed in a black suit and woman dressed in a black dress are dancing together to latino music. They are doing a combination of ball room dancing and waltz. they

Ending1: have lots of black outfits and a white shirt is next to them. Ending2: are posing for a photo as the music plays. Ending3: twirl them like a milling dance floor. Ending4: are dancing on the sidewalk of a city where there are several bystanders observing and watching them dance.

Answer format: ending1/ending2/ending3/ending4