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