-Riyadh and the capital of Saudi Arabia prove that :
A-two different referring expressions can have the same referent
B-the same referent expression can be used to refer to different.
C- only singular referents are allowed.
D-allfalse.
الله يعطيكم العافيه ابي الجواب الصحيح لاني لقيته a& b
واحترت من الاجابه