You are familiar with the 'irony' of the situation in a story. Which situations in 'The Open Window are good examples of the use of irony?

In ' The Open Window ' there are the following examples of irony:

(i) Framton's sister gives him an introductory letter so he can talk to people and his nerves won't get worse. But his experience in the house of Sappleton demonstrates the opposite. He's running away more shaken than ever.
(ii) Mrs Sappleton hopes that Framton, who says she was interested, was amusing Vera. But she had actually planned to scare him, and Framton and Mrs Sappleton are not aware of that.