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