O médico convenceu as crianças a tomar três colheres de xarope , mas a mãe delas não / mas não a mãe delas .
the doctor convinced the children PREP take.INF three spoons of medicine but the mother of.them not / but not the mother of.them
The doctor convinced the children to take three spoons of medicine, but he did not convince their mother.’ = but he did not convince their mother to take three spoons of medicine herself