Original sentence: The documentary also included testimony of those unsympathetic to Twigger's expedition, highlighting the fact that most of the work and expertise was provided by indigenous people he had employed, and whom he had not told of the $50,000 prize
Edited sentence: The documentary also included testimony of those unsympathetic to Twigger's expedition, highlighting the fact that much of the work and expertise was provided by indigenous people he had employed, and whom he had not told of the $50,000 prize