$BRIDGE$ is written as $EULGJH$ in a certain code. How will $FRUIT$ be written in that code?

In a certain code,'$253$' means 'books are old','$546$' means 'man is old' and '$378$' means 'buy good books'. What stands for 'are' in that code?

In a certain code,$COMPUTER$ is written as $RFUVQNPC$. How is $MEDICINE$ written in the same code?

If in a certain language,$SHIFT$ is coded as $RFFBO$,which word would be coded as $LKUMB$?

If 'ski rps tri' stands for 'nice Sunday morning','teh sti rps' stands for 'every Tuesday morning' and 'ski ptr qlm' stands for 'nice market place',what would 'Sunday' stand for?

If $TABLE$ is coded as $GZYOV$,how is $JUICE$ coded?