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