Your goal is to find the secret four-color code. The following colors are possible: brown, green, black, purple, red, white.
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: ['red', 'green', 'purple', 'brown']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['brown', 'brown', 'green', 'black']. Hint: one color is in the correct position.
Guess: ['brown', 'purple', 'white', 'red']. Hint: four colors are in the secret code but in the wrong positions.
Guess: ['purple', 'brown', 'red', 'white']. 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, purple, brown, green white, brown, red, purple white, green, green, white purple, black, red, brown