Crossword Puzzle on Semantic Analysis

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Across
  1. 3. a lexical database/dictionary containing word senses
  2. 4. root form in the dictionary
  3. 6. study of meanings of words
  4. 7. either"all" or "some" in predicate logic
Down
  1. 1. denotes subclass of the other
  2. 2. a Dictionary-based WSD algorithm
  3. 5. having multiple meanings