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