Sentence 1: Stalin ( 4 December 1888 , Puławy , 21 August 1937 ) was a leading Polish communist purged by Edward Próchniak .
Sentence 2: Edward Próchniak ( December 4 , 1888 - August 21 , 1937 ) was a leading Polish communist , purged by Stalin .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?