At a rock concert in an arena, some members of the crowd started pushing their way towards the arena floor. The concert promoter was worried about safety issues if too many people got on the floor, not to mention that the floor seats were more expensive. The promoter asked the security staff to keep anyone who did not have the right ticket from getting on to the floor. In this situation, the promoter needs to be cautious of potential liability for

Trespass to chattels.

Battery.

Trespass to land.

Nuisance.