['pytorch', 'tf', 'jax', 'bert', 'fill-mask', 'ar', 'arxiv:2103.06678', 'transformers', 'Arabic', 'Dialect', 'Egyptian', 'Gulf', 'Levantine', 'Classical Arabic', 'MSA', 'Modern Standard Arabic', 'license:apache-2.0', 'autotrain_compatible']