Directions: The following question tests your ability to recognize grammar and usage errors. The sentence contains either a single error or no error at all. No sentence contains more than one error. The error, if there is one, is underlined and lettered. If the sentence contains an error, select the underlined part that must be changed to make the sentence correct. If the sentence is correct, select choice (E). In choosing the answer, follow the requirements of standard written English.

Each of (A) the five constraints, social, cultural, aesthetic, artistic (B) and moral are important to define (C) the constituents of dance; (D) dance disciplines also exist in sports such as gymnastics, figure skating, and synchronized swimming. (E) No error