which of the following statements about ibm's watson explorer, as described in the chapter opening case, is not true? group of answer choices watson explorer uses natural language processing. watson explorer is able to identify patterns in very large databases without explicit programming, although with significant human training. watson explorer can only analyze structured data. watson explorer is an example of machine learning software. watson explorer can make inferences and correlations about the content it ingests and rank potential responses for a user to select.