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