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