Sentence 1: The grass grows in the Masirah Channel , a waterway between Oman and Masirah Island , where it is an important food for the green sea turtle .
Sentence 2: The grass grows in the Masirah Channel , a waterway between Oman and mainland Masirah Island , where it is an important food for the green sea turtle .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?