Sentence 1: WUMR is a noncommercial / educational station and can not air commercials , but as with public radio stations , WUMR can sell sponsorships known as underwriting .
Sentence 2: WUMR is a non-commercial/educational station , and can not air commercials , but as with public radio stations , WUMR can sell sponsorships known as underwriting .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?