I see no error there.
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GPYI see no error there.Nor do I. However, I might question some punctuation if the entire sentence were given with ()s.
CliveWhat are 'poll contestants'?When I checked this on Google, I got the impression from the distribution of hits that it was an Indian English term.
BarbaraPAI've never seen "hoarding" as a countable noun. Is that the error? ( I know that's not line 4.)hoarding = billboard. Possibly this is BrE-specific. For me it is normal.