<prompt> In which stage of anaesthesia patient becomes hyperactive:Stage 1Stage 2Stage 3Stage 4  <response>: Stage I Analgesia and conscious sedationStage II Stage of deleriumStage III Stage of surgical anesthesiaPlane I Pupils dilate progressively with the depth of anesthesia. Lid reflex, swallowing, retching and vomiting get abolished. Corneal reflex present. Conjunctival reflex is absent. Pharyngeal reflex lost.Plane II Eye balls fixed, reflexes arising from the larynx also abolished.Plane III Asynchrony between thoracic and abdominal movements. Progressive paralysis of intercostal muscles, pupillary light reflex and the corneal reflex is lost.Plane IV Complete intercostal muscle paralysis. Pupils are dilated. Muscles are flaccid.Stage IV Stage of respiratory paralysis 