Please choose the correct ending to complete the given sentence: Rollerblading: People are roller blading about in front of a building. a

Ending1: girl stands on front the camera and talks. Ending2: guy goes up the stairs to the rink while he talks. Ending3: man roller blades fast. Ending4: man tries to keep up with them before their.

Answer format: ending1/ending2/ending3/ending4