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