Sentence 1: On August 11 , 2005 , Yoshinobu Shimamura became Minister of Agriculture following the resignation of Iwanaga .
Sentence 2: On August 11 , 2005 , Yoshinobu became Shimamura following the resignation of Iwanaga Agriculture Minister .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?