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