Please choose the correct ending to complete the given sentence: Slacklining: The person in blue is demonstrating how the rope is fastened from the rocks. He is also showing tight rope walking from one end to another. then the person in black

Ending1: comes onto the rope walking from the rocks. Ending2: also walks on a tight rope. Ending3: appears again describing his part of the lesson. Ending4: is demonstrating the type of stance the rope is measured against.

Answer format: ending1/ending2/ending3/ending4