Please choose the correct ending to complete the given sentence: Playing bagpipes: A man standing in a violin shop is playing the violin. he

Ending1: walks in front of an orchestra to play and sings while doing it. Ending2: removes slides and puts them on the violin. Ending3: pulls the strings with a mouth as he plays. Ending4: makes several variations in pitch as he plays his song on the violin.

Answer format: ending1/ending2/ending3/ending4