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