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