Please choose the correct ending to complete the given sentence: Tennis serve with ball bouncing: . a man in a baseball cap, shorts and a blue short sleeved shirt

Ending1: grets a wooden pole with a spray bottle and hacks a straight piece of wood. Ending2: serves three tennis balls across a tennis net on a tennis court by himself. Ending3: practices on a jungle gym and jumps rope followed by another man practice, and after, the courts play sports on the jungle gym. Ending4: skis at the top of a hill.

Answer format: ending1/ending2/ending3/ending4