I have a skill on my amazon alexa called "smell detector"
you litirally launch the skill and ask her if someone smells
you can imagine the face of people when alexa says they do, I'm like well... clearly you do, alexa herself just said so- and she should know, she's got more brains than me. lol
I tried to ask alexa if she thought she smelled too, but then remembered alexa was the wake word and it wouldn't have worked
lol