Final answer:
The short story "Button, Button" is an example of situational irony in which the actions of the characters lead to unintended and ironic consequences.
Step-by-step explanation:
"Button, Button" is an example of situational irony in literary terms because the story presents a situation where the characters' actions have unintended and ironic consequences. In the story, the main character is given a button that, when pressed, will result in the death of someone unknown to her. The irony arises when she discovers that her own husband has also pressed the button, leading to her own death.