Choose the correct answer

1) The daughter / Charles
1. Charles' daughter
2. Charles's daughter
2) The birthday / my father
1. My father's birthday
2. My fathers' birthday
3) The toys / the children
1. The childrens' toys
2. The children's toys
4) The new manager / the company
1. The company's new manager
2. The companies' new manager
5) The new managers / the companies
1. The company's new managers
2. The companies' new managers
6) The garden / our neighbours
1. Our neighbours' garden
2. Our neighbour's garden