'oh hoowu-e'inon-e' nuh'uuno siisiiko'-uu tohuu-no'oteineetii-P noo-no'oteineetii-3i'
but 3.NEG-know-4 this duck-NA.OBV.PL since.IMPERF-make.a.lot.of.noise-pause REDUP-make.a.lot.of.noise-3PL
The ducks didn't know because of the noise  [ they were making ].