People keep saying who really does not know.
Why would that be??
Who knows?
Why would that be??
You could but do you think he would eat it?
Shouldn't you offer him some pizza?
That would be interesting.
What do you say if he says hi back??
Well, why not say hello to him?
What do you say if he says hi back??
What if her husband is at home? 
Well, why not say hello to him?
Shouldn't you offer him some pizza?
Who knows?
Who will pay ?