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