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