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