Desdemona proclaims that Othello has never been jealous and she states that "the sun where he was born / Drew all such humours from him". What does Desdemona believe about Othello's jealousy?
1) Desdemona believes that Othello is incapable of feeling jealous
2) Desdemona believes that Othello is prone to jealousy
3) Desdemona believes that Othello's jealousy is caused by external factors
4) Desdemona believes that Othello's jealousy is a result of his upbringing