zhehuaichen

> @zhehuaichen FYI I removed the `random context training` trick from the dataset, since it only makes sense for word-boosting and not other tasks. It's better to actually generate those...

@arendu suggested by Abhinav, could you please help review the small changes to the NLP collection? There're mainly two changes: - Modifying get_iterator_k_split to support splitting non-tensor objects (e.g., lists),...