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