R is the father of a girl S and the brother of a man A.C is the mother of S and the sister-in-law of A. What is the relationship between S and A?

R is the father of a girl S and the brother of a man A.C is the mother of S and the sister-in-law of A. What is the relationship between S and A?
R, एक लडकी S का पिता और एक आदमी A का भाई हैं| C, S की माँ हैं और A की भाभी हैं| S और A के बीच क्या संबंध हैं?