3. The method of claim 1 , further comprising: generating an n-tuple representation of each text fragment of the at least a subset of the pairs.
3. The method of claim 1 , further comprising: generating an n-tuple representation of each text fragment of the at least a subset of the pairs. 7. The method of claim 3 , wherein the n-tuple representation includes a pronoun, a verb and a noun for existence text fragments.