script, random choice, n1, n2, n3, n4, n5, begin
  switch(random(1, 5)) do(
    case(1) do(exit returning(n1))
    case(2) do(exit returning(n2))
    case(3) do(exit returning(n3))
    case(4) do(exit returning(n4))
    case(5) do(exit returning(n5))
  )
end

plotscript, example, begin
  show text box(random choice(15, 27, 4, 250, 252))
  wait for text box
end