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