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