Sentence 1: At the Hong Kong Chief Executive elections in 2007 , Donald Tsang of the Civic Party successfully entered the race against the incumbent Alan Leong .
Sentence 2: In the 2007 Hong Kong Chief Executive elections , Alan Leong successfully entered the race against the incumbent Donald Tsang from the Civic Party .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?