SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Literal \'clickhouse\' (alias s1)
    Literal \'mouse\' (alias s2)
    Function stringJaccardIndexUTF8 (children 1)
     ExpressionList (children 2)
      Identifier s1
      Identifier s2
