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