528 | ZER | maen nhw wedi agor nhw a (.) tydyn nhw (ddi)m gallu cau hwn . |
be.V.3P.PRES they.PRON.3P after.PREP open.V.INFIN they.PRON.3P and.CONJ unk they.PRON.3P not.ADV+SM be_able.V.INFIN close.V.INFIN this.PRON.DEM.M.SG | ||
they've opened them, and they can't close this one |