human
If this incense has a very weak smell, would the guest who came in 3 hours after we lit up not smell anything but another who came 1 hour after we lit it up did smell a difference?
assistant
If the incense has a very weak smell, then the guest who came in 3 hours after we lit it up probably would not smell anything, but the guest who came in 1 hour after we lit it up probably would smell a difference.