Sentence 1: All standard varieties are based on the non-standardized spoken varieties of the Shtokavian dialect ( Ijekavian - varieties , including Ijekavian also Ikavian Shtokavian ) .
Sentence 2: All standard varieties are based on the non-standard spoken varieties of the Shtokavian dialect ( Ijekavian varieties including , beside Ijekavian , also Ikavian Shtokavian ) .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?