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