It’s not against the law it’s against London Underground policy to smoke and use electronic cigarettes. I had the same scenario was her feet was on the chair too I asked her to remove her feet from the chair as that is anti social behaviour. I was polite but assertive. She had the wrong ticket but I empathised with her I let her through but explained to her for future travel she needs to have the correct ticket and I explained how she can go about to ensure this. I passed my role play.