These examples are from Kui, a Trans New Guinean language spoken on Alor island, Indonesia.
(1) nya yai umasingin u=ga=sam u=ga=bur=i. 1pl.Sub v. n. appl=3sg.obj.Caus=adj appl=3sg.obj.Caus=adj=perf we come mosque it.make=soft it.make=flat=already 'We come to repair the mosque.' (2) na er u=sanam=i. 1sg.Subj n Caus=adj=perf I water make.hot.already 'I already heated the water.'
Prefix u- at the first sentence functions as an applicative marker but at the 2nd sentence, it behaves as an causative. Is it possible ?