该任务需要您将给定的一组单词按照它们的词性进行分类，并将每个单词与相应的类别匹配。输出每个单词和其对应的词性类别。


单词: cat, mountain, run, happy, quick, tired, is, the
cat - noun
mountain - noun
run - verb
happy - adjective
quick - adjective
tired - adjective
is - verb
the - determiner