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