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The city of Amsterdam partnered with consultants to develop Public Eye—an ethical AI-powered crowd-monitoring blank video streamed from cameras in heavily touristed areas, the AI algorithm determines crowd sizes without, in the interest of protecting individuals’ privacy, retaining the footage.
Which choice completes the text so that it conforms to the conventions of Standard English?
Explanation
Choice C is the best answer. The convention being tested is punctuation use between sentences. In this choice, the period is used correctly to mark the boundary between one sentence ("The city…system") and another ("Analyzing…footage"). The participial phrase beginning with "analyzing" modifies the subject of the second sentence, "the AI algorithm."
Choice A is incorrect. Placing a dash before "analyzing" creates a confusing and ambiguous modifying element ("analyzing...areas") and a comma splice between "areas" and "the AI algorithm." (A comma can’t be used in this way to mark the boundary between sentences.) Choice B is incorrect because it results in a comma splice. A comma can’t be used in this way to mark the boundary between sentences. Choice D is incorrect because it results in a run-on sentence. The sentences ("The city…system" and "analyzing…footage") are fused without punctuation and/or a conjunction.