1. A retrieval result outputting apparatus which outputs a result of example-sentence retrieval, comprising: a computer processor to execute: evaluating degrees of matching on a character block basis between an input sentence and example sentences retrieved using the input sentence as a retrieval condition; extracting one of the retrieved example sentences as an extracted example sentence in accordance with the evaluation; selecting, as a reevaluation portion, a portion of the input sentence other than a portion that contributed to the evaluating for the extracting of the example sentence; reevaluating degrees of matching on a character block basis between the retrieved example sentences and the reevaluation portion of the input sentence; re-extracting another of the retrieved example sentences as a re-extracted example sentence in accordance with the reevaluation; and outputting the extracted and re-extracted example sentences.