According to the context of the sentence, for it to be complete and make sense we must add the missing word as it follows:
A poster refers to a sheet that presents some type of information that is intended to be disseminated.
Therefore, we can conclude that the correct missing word in the sentence is cártel (post), which is planned to give certain information about the show.
Learn more about Spanish here: https://brainly.com/app/profile/16429823