Please choose the correct ending to complete the given sentence: Kneeling: There are two men standing in an indoor gym wearing gray athletic shirts and black and red shorts. They are demonstrating and talking about workout routines. the man in the red shorts

Ending1: resumes demonstrating his technique while the other two soldiers are in an indoor gym to talk about sports. Ending2: is demonstrating the workout routines, while in the background a man in a black and red tank top is demonstrating the workout exercises outside. Ending3: is raising his right hand up to show a stretching exercise move while the other person is watching him. Ending4: starts and continues to pretend to be a dumbbells and demonstrate dumbbells per instruction, while the dumbbells vertically move in the exercise.

Answer format: ending1/ending2/ending3/ending4