Original sentence: During the 1970s, with better equipment and training, many BASE jumpers made successful jumps from El Capitan.On October 22, 1999, BASE jumper and stuntwoman Jan Davis died during a jump intended to protest the death of Frank Gambalie who had landed safely but drowned while fleeing park rangers, and to demonstrate their assertion that BASE jumping can be performed safely
Edited sentence: During the 1970s and with better equipment and training, many BASE jumpers made successful and safe jumps from El Capitan.On October 22, 1999, BASE jumper and stuntwoman Jan Davis died during a jump intended to protest the death of Frank Gambalie who had landed safely but drowned while fleeing park rangers, and to demonstrate the safety of BASE jumping