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