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