We have some people on training courses who could tell that they're quite  theorists cos  question of challenge  if you actually put forward some ideas they'll, they'll question them, not in a negative way, but they just want to know well where have these come from and why and why is this  and on your training courses what theorists will do is if you're actually putting together forward and processing procedures that C U follow, they'll question why  they won't just accept it, they'll actually question it, not in the negative way but they'll want to understand it.