‘A + B' means 'A is the brother of B'
'A - B' means 'A is the mother of B'
'A × B' means 'A is the husband of B'
'A ÷ B' means 'A is the sister of B'
'A # B' means 'A is the daughter-in-law of B'
If 'C - M + S + K × R # T', then which of the following statements is not correct?
1
K and M are brothers.
2
T is the father of S.
3
S is the grandson of C.
4
R is the wife of M's brother.
5
None of the above