Read the following sentence.
 The dance committee hung (the decorations)-blue
 and gold streamers-on the morning of prom.
 Which of these correctly edits the sentence for
 punctuation mistakes?
 The dance committee hung the decorations-blue
 and gold streamers
 on the morning of prom.
 The dance committee-hung the decorations, blue
 and gold streamers, on the morning of prom.
 The dance committee hung the decorations-blue
 and gold streamers, on the morning of prom.
 The dance committee, hung the decorations blue
 and gold streamers, on the morning of prom.