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