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