Complex sentence: Another confirmation of the existence of the type 3's has occurred in a variety of interviews over a period of years Firth's states the type 3 quantity varied somewhere between 85 and 185 which highlights his non involvement in the third batch.
Split into simpler sentences: Another confirmation of the existence of the type 3s has occurred in a variety of interviews over a period of years. Firth states the type 3 quantity varied somewhere between 85 and 185 which highlights his non-involvement in the third batch.