SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Identifier model_name
    Identifier input_text
    Function naiveBayesClassifier (alias classification) (children 1)
     ExpressionList (children 2)
      Identifier model_name
      Identifier input_text
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier model_names
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier input_texts
     TableJoin
   ExpressionList (children 2)
    OrderByElement (children 1)
     Identifier model_name
    OrderByElement (children 1)
     Identifier input_text
