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