A narrator could wear something related to the play, so for e.g.
if it was a play about space, you could dress up in an austronaut
suit or an alien costume and act as if you were part of the
story/scene at one point but now you're telling it to someone.
Another thing that a narrator could wear is very sophisticated
clothes: a suit/tux, glasses...etc.
The narrator could also wear clothes to match the time of day,
like in some childrens shows, when they read bedtime stories, the
narrator is sometimes wearing a nightgown, pajamas, a sleeping hat
and so on.
Lastly, the narrator could wear just their normal, casual,
everyday clothes. However, this wont interest the audience much,
and the other choices do. Additionally, the other choices will
probably be more aestetically pleasing, and the audience will
automatically like the play (76% chance).
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Related Q&A：
What do narrator's wear and do？-Well, you know, narrators can wear all sorts of things depending on the context. Sometimes they might wear formal clothing like a suit and tie if it's a serious or professional setting. But in other cases, they could be more casually dressed in jeans and a nice shirt.
As for what they do, narrators have the important job of telling a story or sharing information. They use their voices to bring words to life, maybe changing the tone and pace to keep the audience engaged. They might gesture or use facial expressions to add emphasis and make the narrative more interesting. Oh, and they need to be really good at communicating clearly so that everyone can understand the message they're trying to convey.
