Complex sentence: Lastly, "likely to meet GNG" is shown to be true when, after a certain length of time, there is significant reliably sourced independent coverage available, and it is shown to be false when there is not enough reliably sourced independent coverage.
Split into simpler sentences: Lastly, "likely to meet GNG" is shown to be true when, after a certain length of time, there is significant reliably sourced independent coverage available. Also, it is shown to be false when there is not enough reliably sourced independent coverage.