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