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