Comment 4 for bug 847855

ugr-desktop-g3 both conflicts with and depends on gnome-accessibility-themes (through gnome-themes-standard)

$ sudo apt-get install ugr-desktop-g3 ugr-desktop gnome-themes-standard gnome-accessibility-themes
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 ugr-desktop : Conflicts: gnome-accessibility-themes but 3.0.2-1~natty2 is to be installed
 ugr-desktop-g3 : Conflicts: gnome-accessibility-themes but 3.0.2-1~natty2 is to be installed
E: Broken packages