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