Text: Since the rich are a tiny proportion of taxpayers, the only thing this could mean in practice would be an improvement relative to the position of the poor--an extraordinary idea for supposedly left-of-center leaders, however modern or forward-looking, to adopt.
Entailment: This would be an unusual proposal for left-of-center leaders because it helps the rich.
Contradiction: This is the standard left-wing policy of transferring wealth to the poor.