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