Your goal is to find the secret four-color code. The following colors are possible: red, purple, white, green, brown, orange.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['green', 'red', 'white', 'purple']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['red', 'brown', 'purple', 'brown']. Hint: one color is in the correct position and two colors are in the secret code but in the wrong position.
Guess: ['purple', 'brown', 'orange', 'red']. Hint: two colors are in the correct positions and two colors are in the secret code but in the wrong positions.
A B C D
brown, brown, purple, white purple, brown, red, orange brown, red, white, red red, brown, purple, red