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