Original sentence: " Upon learning that Thrasher had a history of posting allegedly anti-Semitic on Twitter, President Hamilton said, "We were shocked when we were made aware of these undoubtedly vile and anti-Semitic tweets
Edited sentence: " Upon learning that Thrasher had a history of posting hostile statements against Jews on Twitter, President Hamilton said, "We were shocked when we were made aware of these undoubtedly vile and anti-Semitic tweets