Q: ‘A + B’ means ‘A is the daughter of B’; ‘A × B’ means ‘A is the son of B’ and ‘A – B’ means ‘A is the wife of B’. If ‘T – S × B – M’, which of the following is not true?

• 1
  B is mother of S
• 2
  M is husband of S
• 3
  T is wife of S
• 4
  S id the daughter of B
• 5
  S is son of B