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