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