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