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