Complex sentence: In 2013, plans were revealed to conduct an excavation to determine the accuracy of reports about the burial, and in April of the following year, the diggers confirmed that the Alamogordo Burial did include "E.T." cartridges among other titles.
Split into simpler sentences: In 2013, plans were revealed to conduct an excavation to determine the accuracy of reports about the burial. In April of the following year, the diggers confirmed that the Alamogordo Burial did include "E.T." cartridges among other titles.