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