Read the following information carefully and answer the questions given below.
'3+2' means '3 is the father of 2'.
'3 – 2' means '3 is the sister of 2'.
'3 × 2' means '3 is the husband of 2'.
'3 ÷ 2' means '3 is the wife of 2'.

Q:

Which of the following means 'C is the niece of R'?

• 1
  B × R – K÷ Q + C – M
• 2
  R × S – Q – B – M × C
• 3
  R + K – S ÷ X + C – L
• 4
  K – R + Q × S – C – N
• 5
  None of these