Complex sentence: The spokesman of the Reformed Church was Beza, who, in the first session, gave a lengthy exposition of its tenets, but excited such repugnance by his pronouncements on the Communion that he was interrupted by Cardinal François de Tournon.
Split into simpler sentences: The spokesman of the Reformed Church was Beza, who, in the first session, gave a lengthy exposition of its tenets. He excited such repugnance by his pronouncements on the Communion that he was interrupted by Cardinal François de Tournon.