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