instruction:
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:
residence is a kind of house
answer:
residence IsA house


question:
Ruler can be used with the same meaning of leader
answer:
ruler Synonym leader


question:
sound is a kind of wave
answer:

sound IsA wave