Why do you think the director included the scene of William and the landlady looking into the door hole ?

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.  

d. it compares the speaker reflection to a predatory bird that haunts the speaker

based on the graph, people who are asian/ pacific islander, are better at math than the other race/ethnicity's on the graph.