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