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