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