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