The answer to this is yes because diffusion is the movement of particles from high concentration to low concentration. As the smoke rises at one corner of the room soon it spreads all over the room which is simply diffusion.
The most likely implicit purpose of this interview is probably to announce the people that out there is a new weight loss program and to also give information to people so they can believe it and they can watch it.
a, c, a, e gggggggggggggggggg i am just typing this for 20 characters those are the answers