Complex sentence: On August 4,1944 he was instructed by a superior officer to invesigate a tip-off that Jews were being hidden at 263 Prinsengracht, he took a few officers with him and upon arrival interrogated Victor Kugler about the entrance to the hiding place.
Split into simpler sentences: On August 4,1944 he was instructed by a superior officer to invesigate a tip-off that Jews were being hidden at 263 Prinsengracht. He took a few officers with him and upon arrival interrogated Victor Kugler about the entrance to the hiding place.