Given a phrase describing the relationship between two words, extract the words and the lexical relationship between them. The relation has to be of the type 'MemberOf', 'MadeOf', 'Synonym', 'Entails', 'HasA', 'HasProperty', 'PartOf', 'Antonym' or 'IsA'. The output should have the format: word1 relation word2.
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Question: leaf can be used as the opposite of stem

Answer: leaf Antonym stem


Question: rack can be used with the same meaning of stand

Answer: rack Synonym stand


Question: root is part of plant

Answer:
root PartOf plant