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