May be a silly question John

...
I can understand the rice in the rectangular container.... but why do they put the beef curry in a squarish foil tray and the chicken curry in a round foil tray?
I thought differentiation between flavours would have been a taste test that even a person suffering from blindness could select the preferred curried
MUSH
or
MUSH ...... and is that a serve for two or 1/2 an army?

....... Derek