Complex sentence: An attempt was made on July 12th 1977 to lure Mackay to Jerilderie by an unidentified man who claimed to want to make a large order of furniture from Mackay's family business.
Split into simpler sentences: An attempt was made on July 12th 1977 by an unidentified man to lure Mackay to Jerilderie. The caller claimed to want to make a large order of furniture from Mackay's family business.