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