tweak@AmigaBuntu:~$ sudo apt-get upgrade
[sudo] password for tweak: 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 libkipi11 : Depends: libkipi-data (>= 4:15.08.2-0ubuntu1) but it is not installed
E: Unmet dependencies. Try using -f.
tweak@AmigaBuntu:~$ sudo apt-get -f
E: Command line option 'f' [from -f] is not understood in combination with the other options.
tweak@AmigaBuntu:~$ sudo apt-get -f install
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Correcting dependencies... Done
The following packages will be REMOVED:
  ksnapshot kubuntu-desktop kubuntu-full libkipi11
0 upgraded, 0 newly installed, 4 to remove and 2 not upgraded.
After this operation, 869 kB disk space will be freed.
Do you want to continue? [Y/n]