!752

static L<E> poem; // reference poem

p {
  L<Text> texts = loadPoems("#1003064"); // Simple Poem
  
  poem = parsePoem(texts.get(0).lines);
  printStructure(poem);
  
  L<E> test = parsePoem(texts.get(1).lines);
  printStructure(test);
  
  L<E> failingTest = parsePoem(texts.get(2).lines);
  printStructure("Failing test: ", failingTest);
  
  S input = "q: are you on? ";
  L<E> inp = parsePoem(input);
  printStructure("Input: ", inp);
  
  printStructure("Prediction: ", predict(inp));
  
  print("Test: " + assertTrue(runPoemTest1(test)));
  print("Failing test: " + assertFalse(runPoemTest1(failingTest)));
  
  print("OK!");
}

// used by runPoemTest1
static L<E> predict(L<E> input) {
  int n = l(input);
  if (l(poem) < n) ret null; // poem too short
  
  for (int i = 0; i < n; i++) {
    E x = poem.get(i), y = input.get(i);
    if (!x.eqTo(y))
      ret null;
  }
  
  ret subList(poem, n);
}