static bool runPoemTest1(L<E> test) {
  int n = 0;
  while (n < l(test) && !test.get(n).test) ++n;
  if (n == l(test)) ret true; // nothing more to test
  L<E> input = subList(test, 0, n);
  L<E> expected = subList(test, n);
  L<E> out = predict(input);
  
  if (l(out) != l(expected)) ret false;
  for (int i = 0; i < l(out); i++)
    if (!out.get(i).eqTo(expected.get(i)))
      ret false;
      
  ret true; // finally - success!
}