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