Complex sentence: In its historic contexts, states Charles Bird, Martha Kendall and Kalilou Tera, "Nyama" has had notions of "evil or satanic force, dangerous, polluting, energizing, imperfect self control" and in others it is "morally neutral or energizing".
Split into simpler sentences: In its historic contexts, state Charles Bird, Martha Kendall and Kalilou Tera, "Nyama" has implied different meanings. In one, it connotes notions of "evil or satanic force, dangerous, polluting, energizing, imperfect self control" and in others it is "morally neutral or energizing".