B is the sister of D, who is the father of R. R is S's brother and E is the husband of S.
Which of the following statements is true?
1
B is the aunt of S
2
R is the cousin of E
3
E is the brother-in-law of B
4
B is the niece of S
B is the sister of D, who is the father of R. R is S's brother and E is the husband of S.
Which of the following statements is true?