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