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