Your goal is to find the secret four-color code. The following colors are possible: brown, black, white, pink, 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: ['pink', 'green', 'black', 'brown']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['brown', 'black', 'white', 'white']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['red', 'pink', 'brown', 'black']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['black', 'white', 'red', 'green']. 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, brown, green white, brown, red, green brown, black, green, green brown, green, brown, red