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