['Have you ever stepped in the horse poo?', "I haven't, though I've stepped in other poo.  Is it similar to others?", 'Yes a little bit. What types of poo have you stepped in?']
Dog mostly, cat once or twice.  Possibly human, but I'd rather not think too hard on that.
I was walking in the yard. All of a sudden I slipped and almost fell. I had stepped into a gigantic pile of horse dung!