TASK DEFINITION: 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.
PROBLEM: plain can be used as the opposite of complex

SOLUTION: plain Antonym complex

PROBLEM: star is part of constellation

SOLUTION: star PartOf constellation

PROBLEM: cell is part of tissue

SOLUTION:
cell PartOf tissue