"Two people are working out in a gym, one is on the treadmill and the other is doing a workout for his arms."
A young man is lifting weights at the gym while a young woman is walking the treadmill in the background.
A man in the foreground exercising on a weight machine and a woman in the background on a treadmill.
"A man in a black shirt is working out in a gym, while a woman behind him is on a treadmill."
A man at a gym works out while a woman walks on a treadmill behind him.