Othello Quote Analysis (1 Viewer)

[Faith_7]

Hello, just wondering what the technique is for each of these quotes.
1. "‘Keep up your bright swords, for the dew will rust them’
2.‘O thou dull Moor! that handkerchief thou speak’st of I found by fortune and did give my husband"
3. Oh, you murderous fool! How did you ever get such a good wife?

 

[skiiful]

1. sarcasm
2. epiphany
3. dramatic irony

 

[Faith_7]

How is number 3 dramatic irony