When someone writes a psychological suspense the activity an author uses to develop the plot is mental activity
Irony is the difference between what is being said and what is being meant.
English writer Anne Bradstreet used several instances of irony in her poems, mostly to mock society's assumptions as regards the role of women. For example:
"Who says my hand a needle better fits"
In the example above, Bradstreet refers to how society constrains women to do housework chores.
Answer:
We have done all the activities very well
I intently thought of going to the gym
I honestly replied to the old man
He was badly beaten because of theft