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