A gliding plane is about to pitch down due to stall. What rudder input can prevent nose-dive and spin?

Question

Question Quiz SPL - Sailplane Pilot License - Operational Procedures

QuizVDS · Accepted Answer

Release elevator, rudder opposite to lower wing

QuizVDS · Answer

Ailerons neutral, rudder strongly kicked to lower wing

QuizVDS · Answer

Keep airplane in level flight using rudder pedals

QuizVDS · Answer

Slightly pull the elevator, ailerons opposite to lower wing

Id 523 - SPL - A gliding plane is about to pitch down due to stall. What rudder input can prevent nose-dive and spin?