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