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1·The intelligent logic for answering the question becomes a matter of determining the proper word, which in the first case is Rowel and in the second is Estival.

回答问题的智能逻辑就变成了确定正确的单词，在第一种情况下它是Rowel，而在第二种情况下是Estival。

2·The tests shown in Listing 8 verify that a word defined with synonyms returns them correctly, and also that one without any synonyms (Rowel) returns an empty List.

清单 8 中的测试验证了，定义了同义词的单词可以正确地返回同义词，而没有同义词的单词（Rowel）返回一个空 List。