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