Sentence 1: Erin Kaplan and Roxy Olin were replaced by Lyon , Lyon and Senn , starting in the first half of the second season .
Sentence 2: Lucas , Lyon , and Senn were replaced by Erin Kaplan and Roxy Olin beginning in the first half of the second season .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?