2. The method of claim 1 , wherein the pretreating a textual message comprises: segmenting the textual message into the plurality of semantic sentences; and analyzing the plurality of semantic sentences to generate the sequence of binary bits.
3. The method of claim 2 , wherein the analyzing the plurality of semantic sentences to generate a sequence of binary bits comprises: generating a binary 0 when a concept conveyed by a respective one of the semantic sentences is false based on information in a knowledge base; and generating a binary 1 when the concept conveyed by the respective one of the semantic sentences is true based on the information in the knowledge base.