| Also, the opposites of the above three are useful: impossible, improbable and unpreferred futures. |
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| The gene degradation measure is defined as a score based on the preferred and unpreferred nucleotides. |
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| Pigeons foraged for large, preferred grains of maize and smaller, unpreferred grains of wheat presented in bowls covered with sawdust. |
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| This might have been possible because of the abundance of highly attractive vegetation making oak relatively unpreferred by ungulates. |
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