Übungen zur Kommasetzung

Welche Variante ist korrekt?

1. Jonathan is a friendly littlefriendly, little boy.
2. I was born on a hot sunnyhot, sunny day.
3. We have a red inflatablered, inflatable boat.
4. She wore a new blacknew, black jacket.
5. She gave him a sweet stickysweet, sticky kiss.