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