Spokesperson: Contrary to what some have claimed, our group's "Clean City" campaign has been a rousing success. After all, the amount of trash on the city's than when the campaign began.
What this question is testing
Your task
Find the assumption the argument requires in order for its conclusion to hold.
Common trap
Answers that would help the argument but aren't strictly required (sufficient, not necessary).
Winning move
Negate each choice — the right one breaks the argument when negated.
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