['contradiction']
Doubtless the writer was interrupted; but there can be no question as to his identity. 
אין ספק שהכותב נקטע; אבל אין ספק לגבי זהותו. 
We are still not sure about the identity of the writer.
אנחנו עדיין לא בטוחים לגבי זהות הכותב.