Sentence 1: The Tarangire River is a perennial river located in the eastern branch of the East African Rift Valley , within northern Tanzania in East Africa .
Sentence 2: The Tarangire River is a multi-year river located in the eastern branch of the East African Rift Valley , in northern Tanzania , in East Africa .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?