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