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