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