In a certain code,$SIKKIM$ is written as $THLJJL$. How is $TRAINING$ written in that code?

In a certain code language,
$(A)$ 'pic vie nic' means 'winter is cold'
$(B)$ 'pic vie nic' means 'winter is cold'
$(C)$ 're pic boo' means 'winter and summer'
$(D)$ 'vic tho pa' means 'nights are cold'
Which of the given statements is superfluous?

If $MADRAS$ can be written as $ARSARS$,how can $ARKONAM$ be written in that code?

If man is called girl,girl is called woman,woman is called boy,boy is called butler and butler is called rogue,who will serve in a restaurant?

In a certain code,'$37$' means 'which class' and '$583$' means 'caste and class'. What is the code for 'caste'?

In a certain code $DUPLICATE$ is written as $MRVFJFVBE$. How is $CARTOUCHE$ written in that code?