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