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