If a point \(R\) lies between two points \(P\) and \(Q\) such that \(PR = QR\).
 
Choose the correct figure:
 
It is known that By things which coincide with one another are equal to one another.  
 
If a point \(R\) lies between two points \(P\) and \(Q\) such that \(PR = QR\), then