Before revision:  a binary classification (offensive versus non-offensive language), the level of offense (highly offensive, moderately offensive  and slightly offensive messages), and the identification regarding the target of the discriminatory content (xenophobia, racism, homophobia, sexism, religion intolerance, partyism, apology to the dictatorship, antisemitism  and fat phobia).
After revision:  a binary classification (offensive versus non-offensive language), the level of offense (highly offensive, moderately offensive , and slightly offensive messages), and the identification regarding the target of the discriminatory content (xenophobia, racism, homophobia, sexism, religion intolerance, partyism, apology to the dictatorship, antisemitism and fat phobia).