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