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