Six friends, namely Avik, Rishi, Piyush, Sonal, Aashu, and Rohit, are standing in a row facing north. Rishi is standing to the left of Avik and to the right of Piyush. Sonal is standing to the right of Avik and to the left of Aashu. Aashu is standing to the left of Rohit. Which two friends are standing at the centre?
1
Rishi and Sonal
2
Rishi and Avik
3
Aashu and Sonal
4
Avik and Sonal