contoh percakapan asking for centainty,showing centainty dan showing untertainty

1. wan: i want be the leader of this club
    win:are you sure you can?
wan: yes,i am
win: what is the proof?
wan: i've been done to make a list for this club
 
2. j:if you dont belive me you can check my book
r: ok, i will
j:see?
r: i belive now

3.