The Riceballs are replaced with another AI when they fail to do their job and the sextuplets go to look for them.
Like, for real. How could 
you ask anyone that?
لكن صدقًا، كيف يمكنك أن تسأل أيّ أحد ذلك؟
Ernsthaft. Wie kann man
so was jemanden fragen?
Davvero. Come fanno a chiedere queste cose?
Sério mesmo. Como
alguém pode dizer isso?