graph TD;
    d(Do you have a problem?)
    c(Can you do something about it?)
    t(Then don't worry)
    
    d--No-->t
    d--Yes-->c
    c--No-->t
    c--Yes-->t

graph TD;
    d(Draw a picture)
    g{Did they guess it?}
    p(Point repeatedly to the same picture)
    w(You win)
    
    d-->g
    g--No-->p
    p-->g
    g--Yes-->w