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.
--------
Question: fire is a kind of tool

Answer: fire IsA tool


Question: paint can be characterized by dark

Answer: paint HasProperty dark


Question: happy can be used as the opposite of unpleasant

Answer:
happy Antonym unpleasant