(a)(1) In an action involving only one plaintiff and one defendant, the court, on oral motion of the defendant, may enter a nonsuit on any and all causes of action if, at the close of the plaintiff’s case on liability, the plaintiff has failed to establish a right to relief.(2) The court in deciding the motion shall consider only evidence which was introduced by the plaintiff and any evidence favorable to the plaintiff introduced by the defendant prior to the close of the plaintiff’s case.(b) In an action involving more than one plaintiff, the court may not enter a compulsory nonsuit as to any plaintiff until the close of the case of all the plaintiffs.(c) In an action involving more than one defendant, the court may not enter a nonsuit of any plaintiff prior to the close of the case of all plaintiffs against all defendants. The nonsuit may be entered in favor of
(1) all of the defendants, or(2) any of the defendants who have moved for nonsuit if all of the defendants stipulate on the record that no evidence will be presented that would establish liability of the defendant who has moved for the nonsuit.