+---+------------------------------+-------------+                              
|id |sentence                      |output_column|
+---+------------------------------+-------------+
|1  |It is a good test for Spark.  |positive     |
|2  |Spark DataFrames are powerful.|positive     |
|3  |LLMs could be very slow.      |negative     |
|4  |It is a naive statement.      |negative     |
+---+------------------------------+-------------+