ABSTRACT

The dogs' dinner - the dinner belanging to the dogs. OR, ifthe plural word does not end ins, add apostrophe s.

The children's playground. The men's club.

If the ownership word already ends in s, like Charles, it ts traditional to add the apostrophe after the s:

Charles' home; James' bike. However, one also sees Charles 's home. Much depends on the pronunciation, but either is acceptable.