"Bernie Sanders is the only candidate with a strategy for climate change that is aggressive enough."
"Climate change is such a big problem that small setbacks in climate change are likely to erase almost anything we gain by fixing other problems."
"Bernie Sanders' strategy for climate change has the best chance of getting implemented if he is elected."
"Bernie Sanders has a good chance of winning an election against Donald Trump if he wins the Democratic presidential primary."
The statement above does not appear in any challenges, supports, or specifications of other statements.
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What is 4 + 7?
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