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