 
 <prompt> Wetin happun first: Abbe Suger rebuild Saint Denis Basilica or cardinals begin to wear red costumes? Based on di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Red na di color of di banner of di Byzantine emperors. For Western Europe, Emperor Charlemagne paint im palace red as one very visible symbol of im authority, and e wear red shoes for im coronation. Kings, princes and, starting from 1295, Roman Catholic cardinals begin dey wear red costumes. When Abbe Suger rebuild Saint Denis Basilica outside Paris for di early 12th century, e add stained glass windows wey dey colored blue cobalt glass and red glass wey dey tinted with copper. Together dem flood di basilica with one mystical light. Soon stained glass windows begin dey add to cathedrals all across France, England and Germany. For Medieval painting red dey use to attract attention to di most important figures; both Christ and di Virgin Mary dey commonly paint dey wear red mantles. 