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