this is my beautiful and wonderful sister
have you seen my shiny orange fish?
i am so incredibly sad today
that exciting movie is incredible
i saw a brown furry animal
You can add an attachment I mean unless it’s a joke if it’s not you can add a picture so we can help you
The answer is 'by not fulfilling expectations'. The other options don't really surprise the reader, and if the plot is going into one direction, and then what you'd expect to happen doesn't actually happen, you are surprised, and the element of irony is achieved.
Give objective and subject information regarding the subject at hand.
