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