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