Сделайте пожалуйста 6 задание, разобраться не могу((

1 .John 2.David , Kate 3.Stephen 4.. 5.Carrie,Jessica and Stephen 6.Stephen 7. Carrie, Jessica 8.Sam, Mary 9... 10. Ann, John помог чем смог))

1.John's 2.David's and Kate's 3.Stephen's 4.Mary's 5.Carrie's,Jessica's and Stephen's 6.Stephen's 7.Carrie's and Jessica's 8.Sam's and Mary's 9.David's and Kate's 10.Ann's and John's