Which of the following is an example if an open-ended question?

is smoking in public places banned in the state of virginia

how does secondhand smoke affect our health

how many states ban smoking in restaurants

does east street grille on main street allow smoking

Afirefighter is a rescuer extensively trained in firefighting, primarily to extinguish hazardous fires that threaten life, property and the environment as well as to rescue people and animals from dangerous situations.  just cut some parts to make them shorter and add some of your facts or what describes them most. or what they are supposed to do.