Original sentence: Pavel Potsev Shatev  (Bulgarian and ), (1882 - 1951),  was a Bulgarian revolutionary and member of the left wing of the Internal Macedonian-Adrianople Revolutionary Organization (IMARO), BMARC before 1902)
Edited sentence: Pavel Potsev Shatev  (Bulgarian and ), (1882 - 1951),  was a Macedonian  revolutionary and member of the left wing of the Internal Macedonian-Adrianople Revolutionary Organization (IMARO), BMARC before 1902)