Context: Exhibitions and annual horse shows in all districts and a national horse and cattle show at Lahore are held with the official patronage. The national horse and cattle show at Lahore is the biggest festival where sports, exhibitions, and livestock competitions are held. It not only encourages and patronises agricultural products and livestock through the exhibitions of agricultural products and cattle but is also a colourful documentary on the rich cultural heritage of the province with its strong rural roots.

Question: What is Punjab's biggest festival?
Answer: The national horse and cattle show

Question: Where is the national horse and cattle show held?
Answer: Lahore

Question: What happens at the national horse and cattle show?
Answer: sports, exhibitions, and livestock competitions

Question: Which district does not have exhibitions?
Answer: Unanswerable

Question: The biggest festival does not have what kind of competition?
Answer: Unanswerable

Question: Which festival is damaging the province's rural roots?
Answer: Unanswerable

Question: What does the Lahore festival discourage?
Answer: Unanswerable