Task: Question Generation
Input (English): The Outdoor Centre Opening times Water sports: 10 a.m. -- 6 p.m. Play Park: 10 a.m. -- 5:30 p.m. Windsurfing -- One-day course Beginner windsurfing courses are offered on Saturdays and Sundays when the weather is good enough. Learning to windsurf is a lot of fun. The excitement when you sail across the water for the first time is not easily forgotten. Boards with small sails are available for beginners. Course fee: PS32 for adults; PS16 for children under 16 (this includes all equipment) One-day adventure course This is the opportunity you have been waiting for. Come and try sailing, climbing, surfing and archery . This course is intended to introduce outdoor activities to adults in a fun and leisurely manner. You do not need to be very fit or to have previous experience with the activities. All you need is to be interested. Course fee: PS22.50 Play Park The Play Park is suitable for children from two to ten years of age. It is one of the best of its type in the country. It has sand and water playgrounds, slides, large pool balls, a play castle and much, much more. Next year the center will open Play Palace and Play Ship. Summer adventure holidays Sailing, Climbing, Windsurfing, Fun Games Fee: PS50 for adults; PS30 for children under 16 Statement: Safety is of primary importance at the Outdoor Center. All staff members are fully trained in first aid, and qualified to teach the activities on offer. We also make sure that all children only take part in activities that are suitable for their ages and physical abilities. For this programme children must be able to swim 25 metres and be in good physical health.
Output (English): Of the four programs, which one is open only on weekends?