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