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