code: def multi_label_sequence_data(num_docs=50, length=8000, num_labels=5):
      string = "The quick brown fox jumped over the lazy dog. "
      multiplier = length // len(string)
      x = [string * multiplier] * num_docs
      yi = []
      for i in range(multiplier):
          o = i * len(string)
          for lab_i in range(num_labels):
              yi += [
                  {
                      "start": 16 + o,
                      "end": 19 + o,
                      "label": str(lab_i),
                      "text": "fox",
                  },
                  {
                      "start": 41 + o,
                      "end": 44 + o,
                      "label": str(lab_i),
                      "text": "dog",
                  },
              ]
      y = [yi] * num_docs
      return x, y
  
label_desc: Use image node_id 2 for calling a global function with example usage: multi_label_sequence_data(num_docs, length, num_labels) and returns: x,  y