Question: Did the population of the Warsaw Ghetto record secret police on cell phones?, Answer:No, Description of Warsaw Ghetto: Ghetto in Nazi occupied Poland, Fact1: The Warsaw Ghetto existed during the second world war., Fact2: Cell phones with video recording capability did not exist until the 2000s.
Step1: When was the Warsaw Ghetto in existence?, Step2: When was the first cell phone capable of recording developed?, Step3: Is #2 before the end of #1?, Wikipedia page for step 1: Warsaw Ghetto, Wikipedia page for step 2: Cellphone (history), Wikipedia page for step 3: , not_definitive_answer: False, incorrect_answer: False