There are 29 additional packages that need to be installed.
There in a conflict with a few of those packages in that they are looking for an older version than the one already installed. You cannot downgrade your installed packages that conflict without a lot of drama...a lot of drama.
The good news if the fork of OpenOffice, LibreOffice, is installable (and better).
Code:
sudo apt-add-repository ppa:libreoffice/libreoffice-4-0
Code:
sudo apt-get update
Code:
sudo apt-get install libreoffice
...or use the Package Manager after you have added the ppa to your list of repositories.