Final answer:
In Shakespeare's Othello, Othello mistakenly believes that Cassio is talking about Desdemona, his wife. However, Cassio is actually talking about his experiences with Bianca, a courtesan.
Step-by-step explanation:
In Shakespeare's play Othello, Othello mistakenly believes that Cassio is talking about Desdemona, his wife. However, Cassio is actually talking about his experiences with Bianca, a courtesan.