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