Which scenario is an example of verbal irony?

In Romeo and Juliet , Romeo thinks Juliet is dead and kills himself when in fact the audience knows she is still alive but has been drugged.

Two characters get into a huge fight and then at the end, the one calmy says, “We don’t get along with each other that well.”

A character goes into an empty house for safety when in fact the audience already knows that the killer is hiding inside.

An English teacher struggles with her grammar on a daily basis.

An English teacher struggles with her grammar on a daily basis. is an example of verbal irony.