1. A retrieval result outputting apparatus which outputs a result of example-sentence retrieval, comprising: an evaluating unit to evaluate degrees of matching on a character block basis between an input sentence and example sentences retrieved using the input sentence as a retrieval condition; an extracting to extract one of the retrieved example sentences as an extracted example sentence in accordance with the evaluation; a reevaluation portion selecting unit to select a portion of the input sentence as a reevaluation portion based upon the extracted example sentence; a reevaluating unit to reevaluate degrees of matching on a character block basis between the retrieved example sentences and the reevaluation portion of the input sentence; a re-extracting unit to re-extract another of the retrieved example sentences as a re-extracted example sentence in accordance with the reevaluation; and an outputting unit to output the extracted and re-extracted example sentences.