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