句子生成器

Set<String> SentenceGerneration(String pattern,
            ArrayList<String> cand) {
        size = cand.size();// corpus sentences size
        newSentenceSet = new HashSet<String>();
        for (i = 0; i < size; i++) {
            for (j = 0; j < size; j++) {
                if (i == j)
                    continue;
                parentSentence = cand.get(i);
                childSentence = cand.get(j);
                prefix = getPrefix(
                        parentSentence, pattern);
                suffix = getSuffix(
                        childSentence, pattern);
                // Judge a new sentence composed by prefix, pattern and suffix
                if (IsLegal(prefix, pattern, suffix))
                    newSentenceSet.add(prefix + " " +pattern + " " + suffix);
            }
        }
        return newSentenceSet;
}