I'm not sure you can say this but I see nothing wrong with it<br/><br/>How does one say this?<br/><br/>What side of the train do you get off on?<br/>What side of the train do you get off from?<br/><br/>What side of the train do you get off of?<br/><br/>If elevator has 2 doors<br/><br/>What side of the elevator do you get off of?<br/><br/>What side of the elevator do you get off on?<br/><br/>What side of the elevator do you get off from?<br/><br/>Thank you