Did the narrator's hosts eat dinner in the dark every day? Why did they do so that day?
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Explanation:

Quem quer dinheiro?

i got you covered.. i will do my best

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.