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