Please choose the correct ending to complete the given sentence: Drum corps: A drum line gets in formation at an outdoor event. they

Ending1: start running with swords. Ending2: all begin climbing up a stone sheer wall. Ending3: begin their routine, each section moving in their own set way before coming together and spreading out again. Ending4: start the wide hop.

Answer format: ending1/ending2/ending3/ending4