SSC JE Civil 10 Oct 2023 Shift 1 Solved Paper

If
‘M = N’ means ‘M is the father of N’,
‘M # N’ means ‘M is the sister’s son of N’,
'M × N’ means ‘M is the husband of N’,
‘M & N’ means ‘M is the sister of N’,
‘M $ N’ means ‘M is the wife of N’, and
‘M @ N’ means ‘M is the brother of N’,
then how is A related to C in the following expression?
A # L = K & P @ C = B