answer: there is one person in the video
question: how many people are in the video ?
answer: yes the video has sound but no words are spoken .
question: do you hear any sound coming from the video ?
answer: mainly background noise and the noise of him running in the house .
question: so , what kind of noise do you hear ?
answer: yes , i would consider it to be a living room .
question: is the man in the living room ?
answer: he runs in with his dog and then hits his leg on the desk .
question: what does the man do in the living room ?
answer: yes , the dog was on a leash .
question: did he run with his dog in the living room ?
answer: no , he was running in from a different room .
question: did he run on a treadmill ?
answer: yes , he ran through the room until he hit his leg on the desk .
question: did he continue running after he entered the living room ?
answer: the video ended with him sitting down in his desk chair .
question: how did the video end ?