'oh hoowoe'inone' nuh'uuno siisiikou'uu tohuuno'oteiP noono'oteineetii3i'
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 ].