Замените существительное с предлогом of существительными в притяжательном падеже
Пример: the name of my friend - my friend's name
A brush of Mrs. Bell, the dinner of the woman, the radio of a man, the flowers of the girl, the milk of the children, the dog of the boy

Mrs. Bell's brush ,the woman's dinner, a man's radio,the girl's flowers, the children's milk, the boy's dog