Simplify the following text for a Grade 7 native English-speaking person.
Original: The actions of the POWs in storming machine gun posts , armed only with improvised weapons , showed what Prime Minister John Curtin described as a `` suicidal disregard of life '' , and had no chance of success .
Simplified: The POWs tried to capture machine gun posts , armed only with home made weapons . The Prime Minister John Curtin said this was a `` suicidal disregard of life '' , and had no chance of success .