My nephews trained Little Caesar (an intelligent but vicious Malta-Poo) to run behind the toilet when they said "Obrigato" (thank-you in Portuguese, I think), and to run and hide under the bed when they said "Immigration". Apparently he learned very quickly.

M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8