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