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