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