Which sentence is a parallelism sentence?

(1) It is the most economical word formation; (2) It is the most associative and intelligent writing; (3) It is a unique double-brain writing in the world; (4) Chinese characters are the best artistic writing.

Look at Mo Bao, the master of calligraphy. Some are lofty and elegant, some are solemn and dignified, some are vigorous and powerful, and some are delicate and beautiful, showing all kinds of verve temperament, which is an artistic beauty that no other words in the world can express.