The higher the crests of a wave are, the greater the amplitude.
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Ian surfed a 6 foot wave. Tony surfed a 10 foot wave. The wave with the lowest amplitude was Tony's or Ian's?
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multiple-choice question answering
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The higher the crests of a wave are, the greater the amplitude.
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{{context}}

Ian surfed a 6 foot wave. Tony surfed a 10 foot wave. The wave with the lowest amplitude was Tony's or Ian's?
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Ian's