Original sentence: A group of 728 Polish political prisoners from Tarnów became the first residents of Auschwitz on June 14 that year.Josef Mengele, who is well known for his experiments on twins and dwarfs in the same complex, was the camp "doctor".The first experiment took place on 3 September 1941, and killed 600 Soviet POWs.The first women arrived in the camp on March 26 1942.The tests were deemed successful, and a gas chamber and crematorium were constructed by converting a bunker
Edited sentence: A group of 728 Polish political prisoners from Tarnów became the first residents of Auschwitz on June 14th that year.Josef Mengele, who is well known for his experiments on twins and dwarfs in the same complex, was supposed to be the camp "doctor".The first experiment took place on 3 September, 1941, and killed 600 Soviet POWs.The first women arrived in the camp on March 26, 1942.The tests deemed successful, a gas chamber and crematorium were constructed by converting a bunker