a-pi cʰo a-ʁi ni kɤ-sɯ-ɤmɯ-tso-t-a-ndʑi
1SG.POSS-elder.sibling COMIT 1SG.POSS-younger.sibling DU AOR-CAUS-RECIP-understand-PST:TR-1SG-DU
I helped my elder and younger brothers/sisters understanding each other.' (elicited)