Context: A recent addition to the exhibition is the late 13th-century Westminster Retable, England's oldest altarpiece, which was most probably designed for the high altar of the abbey. Although it has been damaged in past centuries, the panel has been expertly cleaned and conserved.

Question: What was recently added to the museum exhibit?
Answer: 13th-century Westminster Retable

Question: What is the Westminster Retable?
Answer: England's oldest altarpiece

Question: What was the altarpiece designed for?
Answer: high altar of the abbey

Question: What was damaged but cleaned and then conserved?
Answer: altarpiece

Question: What was recently subtracted from the museum exhibit?
Answer: Unanswerable

Question: What wasn't recently added to the museum exhibit?
Answer: Unanswerable

Question: What isn't the Westminster Retable?
Answer: Unanswerable

Question: What was the altarpiece undesigned for?
Answer: Unanswerable

Question: What was undamaged but cleaned and then conserved?
Answer: Unanswerable